Home / 28,272,203.71-42,384,017.01-9,825,752.05

Finding the Fourth Proportional to 28,272,203.71, 42,384,017.01 and 9,825,752.05

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Solution

The fourth proportional to 28,272,203.71, 42,384,017.01 and 9,825,752.05 is: 14,730,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,203.71 : 42,384,017.01 = 9,825,752.05 : x
  2. Step 2: Convert to fraction form
    28,272,203.71/42,384,017.01 = 9,825,752.05/x
  3. Step 3: Cross multiply
    28,272,203.71x = 42,384,017.01 × 9,825,752.05
  4. Step 4: Simplify right side
    28,272,203.71x = 416,454,842,010,960.19
  5. Step 5: Solve for x
    x = 416,454,842,010,960.19/28,272,203.71
  6. Step 6: Final answer
    x = 14,730,186.80

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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.