Home / 31,549,085.78-47,318,892.14-9,980,884.89

Finding the Fourth Proportional to 31,549,085.78, 47,318,892.14 and 9,980,884.89

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Solution

The fourth proportional to 31,549,085.78, 47,318,892.14 and 9,980,884.89 is: 14,969,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,085.78 : 47,318,892.14 = 9,980,884.89 : x
  2. Step 2: Convert to fraction form
    31,549,085.78/47,318,892.14 = 9,980,884.89/x
  3. Step 3: Cross multiply
    31,549,085.78x = 47,318,892.14 × 9,980,884.89
  4. Step 4: Simplify right side
    31,549,085.78x = 472,284,415,596,618
  5. Step 5: Solve for x
    x = 472,284,415,596,618/31,549,085.78
  6. Step 6: Final answer
    x = 14,969,828.89

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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.