Home / 8,506,291.60-12,759,437.40-7,762,274.20

Finding the Fourth Proportional to 8,506,291.60, 12,759,437.40 and 7,762,274.20

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Solution

The fourth proportional to 8,506,291.60, 12,759,437.40 and 7,762,274.20 is: 11,643,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506,291.60 : 12,759,437.40 = 7,762,274.20 : x
  2. Step 2: Convert to fraction form
    8,506,291.60/12,759,437.40 = 7,762,274.20/x
  3. Step 3: Cross multiply
    8,506,291.60x = 12,759,437.40 × 7,762,274.20
  4. Step 4: Simplify right side
    8,506,291.60x = 99,042,251,736,535.08
  5. Step 5: Solve for x
    x = 99,042,251,736,535.08/8,506,291.60
  6. Step 6: Final answer
    x = 11,643,411.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.