Home / 19,152,877.95-28,729,349.73-15,338,957.72

Finding the Fourth Proportional to 19,152,877.95, 28,729,349.73 and 15,338,957.72

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Solution

The fourth proportional to 19,152,877.95, 28,729,349.73 and 15,338,957.72 is: 23,008,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,877.95 : 28,729,349.73 = 15,338,957.72 : x
  2. Step 2: Convert to fraction form
    19,152,877.95/28,729,349.73 = 15,338,957.72/x
  3. Step 3: Cross multiply
    19,152,877.95x = 28,729,349.73 × 15,338,957.72
  4. Step 4: Simplify right side
    19,152,877.95x = 440,678,280,687,916.69
  5. Step 5: Solve for x
    x = 440,678,280,687,916.69/19,152,877.95
  6. Step 6: Final answer
    x = 23,008,462.85

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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.