Home / 13,913,140.30-20,869,710.45-9,661,612.30

Finding the Fourth Proportional to 13,913,140.30, 20,869,710.45 and 9,661,612.30

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Solution

The fourth proportional to 13,913,140.30, 20,869,710.45 and 9,661,612.30 is: 14,492,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,140.30 : 20,869,710.45 = 9,661,612.30 : x
  2. Step 2: Convert to fraction form
    13,913,140.30/20,869,710.45 = 9,661,612.30/x
  3. Step 3: Cross multiply
    13,913,140.30x = 20,869,710.45 × 9,661,612.30
  4. Step 4: Simplify right side
    13,913,140.30x = 201,635,051,181,158.53
  5. Step 5: Solve for x
    x = 201,635,051,181,158.53/13,913,140.30
  6. Step 6: Final answer
    x = 14,492,418.45

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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.