Home / 10,989,036.40-16,483,554.60-5,614,265.20

Finding the Fourth Proportional to 10,989,036.40, 16,483,554.60 and 5,614,265.20

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Solution

The fourth proportional to 10,989,036.40, 16,483,554.60 and 5,614,265.20 is: 8,421,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,036.40 : 16,483,554.60 = 5,614,265.20 : x
  2. Step 2: Convert to fraction form
    10,989,036.40/16,483,554.60 = 5,614,265.20/x
  3. Step 3: Cross multiply
    10,989,036.40x = 16,483,554.60 × 5,614,265.20
  4. Step 4: Simplify right side
    10,989,036.40x = 92,543,046,963,079.92
  5. Step 5: Solve for x
    x = 92,543,046,963,079.92/10,989,036.40
  6. Step 6: Final answer
    x = 8,421,397.80

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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.