Home / 8,045,807.85-12,068,711.78-7,164,009.45

Finding the Fourth Proportional to 8,045,807.85, 12,068,711.78 and 7,164,009.45

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Solution

The fourth proportional to 8,045,807.85, 12,068,711.78 and 7,164,009.45 is: 10,746,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,807.85 : 12,068,711.78 = 7,164,009.45 : x
  2. Step 2: Convert to fraction form
    8,045,807.85/12,068,711.78 = 7,164,009.45/x
  3. Step 3: Cross multiply
    8,045,807.85x = 12,068,711.78 × 7,164,009.45
  4. Step 4: Simplify right side
    8,045,807.85x = 86,460,365,205,426.28
  5. Step 5: Solve for x
    x = 86,460,365,205,426.28/8,045,807.85
  6. Step 6: Final answer
    x = 10,746,014.18

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Double scale
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Similar ratio
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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.