Home / 30,229,728.30-45,335,807.69-11,781,567.45

Finding the Fourth Proportional to 30,229,728.30, 45,335,807.69 and 11,781,567.45

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Solution

The fourth proportional to 30,229,728.30, 45,335,807.69 and 11,781,567.45 is: 17,668,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229,728.30 : 45,335,807.69 = 11,781,567.45 : x
  2. Step 2: Convert to fraction form
    30,229,728.30/45,335,807.69 = 11,781,567.45/x
  3. Step 3: Cross multiply
    30,229,728.30x = 45,335,807.69 × 11,781,567.45
  4. Step 4: Simplify right side
    30,229,728.30x = 534,126,876,229,417.62
  5. Step 5: Solve for x
    x = 534,126,876,229,417.62/30,229,728.30
  6. Step 6: Final answer
    x = 17,668,927.45

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1.5x scale

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.