Home / 30,138,174-45,207,306.36-13,955,307.12

Finding the Fourth Proportional to 30,138,174, 45,207,306.36 and 13,955,307.12

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Solution

The fourth proportional to 30,138,174, 45,207,306.36 and 13,955,307.12 is: 20,932,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,174 : 45,207,306.36 = 13,955,307.12 : x
  2. Step 2: Convert to fraction form
    30,138,174/45,207,306.36 = 13,955,307.12/x
  3. Step 3: Cross multiply
    30,138,174x = 45,207,306.36 × 13,955,307.12
  4. Step 4: Simplify right side
    30,138,174x = 630,881,844,321,729.25
  5. Step 5: Solve for x
    x = 630,881,844,321,729.25/30,138,174
  6. Step 6: Final answer
    x = 20,932,981.68

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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.