Home / 30,715,387.08-42,386,955.08-16,776,739.23

Finding the Fourth Proportional to 30,715,387.08, 42,386,955.08 and 16,776,739.23

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Solution

The fourth proportional to 30,715,387.08, 42,386,955.08 and 16,776,739.23 is: 23,151,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,387.08 : 42,386,955.08 = 16,776,739.23 : x
  2. Step 2: Convert to fraction form
    30,715,387.08/42,386,955.08 = 16,776,739.23/x
  3. Step 3: Cross multiply
    30,715,387.08x = 42,386,955.08 × 16,776,739.23
  4. Step 4: Simplify right side
    30,715,387.08x = 711,114,891,960,890.88
  5. Step 5: Solve for x
    x = 711,114,891,960,890.88/30,715,387.08
  6. Step 6: Final answer
    x = 23,151,747.70

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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.