Home / 28,007,132.40-42,010,698.60-26,306,521.20

Finding the Fourth Proportional to 28,007,132.40, 42,010,698.60 and 26,306,521.20

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Solution

The fourth proportional to 28,007,132.40, 42,010,698.60 and 26,306,521.20 is: 39,459,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,132.40 : 42,010,698.60 = 26,306,521.20 : x
  2. Step 2: Convert to fraction form
    28,007,132.40/42,010,698.60 = 26,306,521.20/x
  3. Step 3: Cross multiply
    28,007,132.40x = 42,010,698.60 × 26,306,521.20
  4. Step 4: Simplify right side
    28,007,132.40x = 1,105,155,333,347,710.38
  5. Step 5: Solve for x
    x = 1,105,155,333,347,710.38/28,007,132.40
  6. Step 6: Final answer
    x = 39,459,781.80

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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.