Home / 10,542,666.60-15,813,999.90-6,287,639.40

Finding the Fourth Proportional to 10,542,666.60, 15,813,999.90 and 6,287,639.40

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Solution

The fourth proportional to 10,542,666.60, 15,813,999.90 and 6,287,639.40 is: 9,431,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,666.60 : 15,813,999.90 = 6,287,639.40 : x
  2. Step 2: Convert to fraction form
    10,542,666.60/15,813,999.90 = 6,287,639.40/x
  3. Step 3: Cross multiply
    10,542,666.60x = 15,813,999.90 × 6,287,639.40
  4. Step 4: Simplify right side
    10,542,666.60x = 99,432,728,842,836.06
  5. Step 5: Solve for x
    x = 99,432,728,842,836.06/10,542,666.60
  6. Step 6: Final answer
    x = 9,431,459.10

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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.