Home / 19,729,547.55-29,386,278.90-18,844,324.77

Finding the Fourth Proportional to 19,729,547.55, 29,386,278.90 and 18,844,324.77

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Solution

The fourth proportional to 19,729,547.55, 29,386,278.90 and 18,844,324.77 is: 28,067,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,547.55 : 29,386,278.90 = 18,844,324.77 : x
  2. Step 2: Convert to fraction form
    19,729,547.55/29,386,278.90 = 18,844,324.77/x
  3. Step 3: Cross multiply
    19,729,547.55x = 29,386,278.90 × 18,844,324.77
  4. Step 4: Simplify right side
    19,729,547.55x = 553,764,583,373,398.31
  5. Step 5: Solve for x
    x = 553,764,583,373,398.31/19,729,547.55
  6. Step 6: Final answer
    x = 28,067,779.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.