Home / 19,120,565.28-26,386,038-10,418,813.28

Finding the Fourth Proportional to 19,120,565.28, 26,386,038 and 10,418,813.28

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Solution

The fourth proportional to 19,120,565.28, 26,386,038 and 10,418,813.28 is: 14,377,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,565.28 : 26,386,038 = 10,418,813.28 : x
  2. Step 2: Convert to fraction form
    19,120,565.28/26,386,038 = 10,418,813.28/x
  3. Step 3: Cross multiply
    19,120,565.28x = 26,386,038 × 10,418,813.28
  4. Step 4: Simplify right side
    19,120,565.28x = 274,911,203,120,984.62
  5. Step 5: Solve for x
    x = 274,911,203,120,984.62/19,120,565.28
  6. Step 6: Final answer
    x = 14,377,775.92

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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.