Home / 10,137,746.04-13,989,972.96-5,491,442.40

Finding the Fourth Proportional to 10,137,746.04, 13,989,972.96 and 5,491,442.40

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Solution

The fourth proportional to 10,137,746.04, 13,989,972.96 and 5,491,442.40 is: 7,578,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137,746.04 : 13,989,972.96 = 5,491,442.40 : x
  2. Step 2: Convert to fraction form
    10,137,746.04/13,989,972.96 = 5,491,442.40/x
  3. Step 3: Cross multiply
    10,137,746.04x = 13,989,972.96 × 5,491,442.40
  4. Step 4: Simplify right side
    10,137,746.04x = 76,825,130,687,397.52
  5. Step 5: Solve for x
    x = 76,825,130,687,397.52/10,137,746.04
  6. Step 6: Final answer
    x = 7,578,127.37

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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.