Home / 31,369,428.70-47,014,061.82-25,307,019.34

Finding the Fourth Proportional to 31,369,428.70, 47,014,061.82 and 25,307,019.34

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Solution

The fourth proportional to 31,369,428.70, 47,014,061.82 and 25,307,019.34 is: 37,928,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369,428.70 : 47,014,061.82 = 25,307,019.34 : x
  2. Step 2: Convert to fraction form
    31,369,428.70/47,014,061.82 = 25,307,019.34/x
  3. Step 3: Cross multiply
    31,369,428.70x = 47,014,061.82 × 25,307,019.34
  4. Step 4: Simplify right side
    31,369,428.70x = 1,189,785,771,730,695.50
  5. Step 5: Solve for x
    x = 1,189,785,771,730,695.50/31,369,428.70
  6. Step 6: Final answer
    x = 37,928,193.82

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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.