Home / 31,493,670.78-47,240,506.14-7,559,142.78

Finding the Fourth Proportional to 31,493,670.78, 47,240,506.14 and 7,559,142.78

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Solution

The fourth proportional to 31,493,670.78, 47,240,506.14 and 7,559,142.78 is: 11,338,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,670.78 : 47,240,506.14 = 7,559,142.78 : x
  2. Step 2: Convert to fraction form
    31,493,670.78/47,240,506.14 = 7,559,142.78/x
  3. Step 3: Cross multiply
    31,493,670.78x = 47,240,506.14 × 7,559,142.78
  4. Step 4: Simplify right side
    31,493,670.78x = 357,097,730,911,726.69
  5. Step 5: Solve for x
    x = 357,097,730,911,726.69/31,493,670.78
  6. Step 6: Final answer
    x = 11,338,714.16

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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.