Home / 14,805,535.16-20,386,218.02-12,959,663.42

Finding the Fourth Proportional to 14,805,535.16, 20,386,218.02 and 12,959,663.42

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Solution

The fourth proportional to 14,805,535.16, 20,386,218.02 and 12,959,663.42 is: 17,844,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805,535.16 : 20,386,218.02 = 12,959,663.42 : x
  2. Step 2: Convert to fraction form
    14,805,535.16/20,386,218.02 = 12,959,663.42/x
  3. Step 3: Cross multiply
    14,805,535.16x = 20,386,218.02 × 12,959,663.42
  4. Step 4: Simplify right side
    14,805,535.16x = 264,198,523,945,938.81
  5. Step 5: Solve for x
    x = 264,198,523,945,938.81/14,805,535.16
  6. Step 6: Final answer
    x = 17,844,577.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.