Home / 30,478,479.66-42,060,329.10-16,539,834.72

Finding the Fourth Proportional to 30,478,479.66, 42,060,329.10 and 16,539,834.72

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Solution

The fourth proportional to 30,478,479.66, 42,060,329.10 and 16,539,834.72 is: 22,824,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478,479.66 : 42,060,329.10 = 16,539,834.72 : x
  2. Step 2: Convert to fraction form
    30,478,479.66/42,060,329.10 = 16,539,834.72/x
  3. Step 3: Cross multiply
    30,478,479.66x = 42,060,329.10 × 16,539,834.72
  4. Step 4: Simplify right side
    30,478,479.66x = 695,670,891,582,806.38
  5. Step 5: Solve for x
    x = 695,670,891,582,806.38/30,478,479.66
  6. Step 6: Final answer
    x = 22,824,986.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.