Home / 8,931,201.60-13,396,802.40-8,520,628.80

Finding the Fourth Proportional to 8,931,201.60, 13,396,802.40 and 8,520,628.80

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Solution

The fourth proportional to 8,931,201.60, 13,396,802.40 and 8,520,628.80 is: 12,780,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,201.60 : 13,396,802.40 = 8,520,628.80 : x
  2. Step 2: Convert to fraction form
    8,931,201.60/13,396,802.40 = 8,520,628.80/x
  3. Step 3: Cross multiply
    8,931,201.60x = 13,396,802.40 × 8,520,628.80
  4. Step 4: Simplify right side
    8,931,201.60x = 114,149,180,357,349.14
  5. Step 5: Solve for x
    x = 114,149,180,357,349.14/8,931,201.60
  6. Step 6: Final answer
    x = 12,780,943.20

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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.