Home / 13,426,547.66-20,153,908.31-11,899,314.53

Finding the Fourth Proportional to 13,426,547.66, 20,153,908.31 and 11,899,314.53

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Solution

The fourth proportional to 13,426,547.66, 20,153,908.31 and 11,899,314.53 is: 17,861,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,547.66 : 20,153,908.31 = 11,899,314.53 : x
  2. Step 2: Convert to fraction form
    13,426,547.66/20,153,908.31 = 11,899,314.53/x
  3. Step 3: Cross multiply
    13,426,547.66x = 20,153,908.31 × 11,899,314.53
  4. Step 4: Simplify right side
    13,426,547.66x = 239,817,693,989,470.72
  5. Step 5: Solve for x
    x = 239,817,693,989,470.72/13,426,547.66
  6. Step 6: Final answer
    x = 17,861,456.28

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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.