Home / 31,984,729.74-47,977,235.01-10,125,216.36

Finding the Fourth Proportional to 31,984,729.74, 47,977,235.01 and 10,125,216.36

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Solution

The fourth proportional to 31,984,729.74, 47,977,235.01 and 10,125,216.36 is: 15,187,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,729.74 : 47,977,235.01 = 10,125,216.36 : x
  2. Step 2: Convert to fraction form
    31,984,729.74/47,977,235.01 = 10,125,216.36/x
  3. Step 3: Cross multiply
    31,984,729.74x = 47,977,235.01 × 10,125,216.36
  4. Step 4: Simplify right side
    31,984,729.74x = 485,779,884,830,816.69
  5. Step 5: Solve for x
    x = 485,779,884,830,816.69/31,984,729.74
  6. Step 6: Final answer
    x = 15,187,868.99

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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.