Home / 28,361,054.92-42,532,658.74-9,187,363.48

Finding the Fourth Proportional to 28,361,054.92, 42,532,658.74 and 9,187,363.48

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Solution

The fourth proportional to 28,361,054.92, 42,532,658.74 and 9,187,363.48 is: 13,778,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,054.92 : 42,532,658.74 = 9,187,363.48 : x
  2. Step 2: Convert to fraction form
    28,361,054.92/42,532,658.74 = 9,187,363.48/x
  3. Step 3: Cross multiply
    28,361,054.92x = 42,532,658.74 × 9,187,363.48
  4. Step 4: Simplify right side
    28,361,054.92x = 390,762,995,615,178.88
  5. Step 5: Solve for x
    x = 390,762,995,615,178.88/28,361,054.92
  6. Step 6: Final answer
    x = 13,778,154.47

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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.