Home / 28,360,984.16-42,532,553.12-9,187,292.72

Finding the Fourth Proportional to 28,360,984.16, 42,532,553.12 and 9,187,292.72

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Solution

The fourth proportional to 28,360,984.16, 42,532,553.12 and 9,187,292.72 is: 13,778,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360,984.16 : 42,532,553.12 = 9,187,292.72 : x
  2. Step 2: Convert to fraction form
    28,360,984.16/42,532,553.12 = 9,187,292.72/x
  3. Step 3: Cross multiply
    28,360,984.16x = 42,532,553.12 × 9,187,292.72
  4. Step 4: Simplify right side
    28,360,984.16x = 390,759,015,642,389.31
  5. Step 5: Solve for x
    x = 390,759,015,642,389.31/28,360,984.16
  6. Step 6: Final answer
    x = 13,778,048.51

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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.