Home / 28,402,020.40-42,578,147.40-17,046,986.80

Finding the Fourth Proportional to 28,402,020.40, 42,578,147.40 and 17,046,986.80

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Solution

The fourth proportional to 28,402,020.40, 42,578,147.40 and 17,046,986.80 is: 25,555,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,020.40 : 42,578,147.40 = 17,046,986.80 : x
  2. Step 2: Convert to fraction form
    28,402,020.40/42,578,147.40 = 17,046,986.80/x
  3. Step 3: Cross multiply
    28,402,020.40x = 42,578,147.40 × 17,046,986.80
  4. Step 4: Simplify right side
    28,402,020.40x = 725,829,116,696,254.38
  5. Step 5: Solve for x
    x = 725,829,116,696,254.38/28,402,020.40
  6. Step 6: Final answer
    x = 25,555,545.22

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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.