Home / 28,376,010.80-42,564,016.20-17,038,602.80

Finding the Fourth Proportional to 28,376,010.80, 42,564,016.20 and 17,038,602.80

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Solution

The fourth proportional to 28,376,010.80, 42,564,016.20 and 17,038,602.80 is: 25,557,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,010.80 : 42,564,016.20 = 17,038,602.80 : x
  2. Step 2: Convert to fraction form
    28,376,010.80/42,564,016.20 = 17,038,602.80/x
  3. Step 3: Cross multiply
    28,376,010.80x = 42,564,016.20 × 17,038,602.80
  4. Step 4: Simplify right side
    28,376,010.80x = 725,231,365,604,565.50
  5. Step 5: Solve for x
    x = 725,231,365,604,565.50/28,376,010.80
  6. Step 6: Final answer
    x = 25,557,904.20

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1.5x scale

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.