Home / 28,331,920.80-42,497,881.20-26,064,439.20

Finding the Fourth Proportional to 28,331,920.80, 42,497,881.20 and 26,064,439.20

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Solution

The fourth proportional to 28,331,920.80, 42,497,881.20 and 26,064,439.20 is: 39,096,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,920.80 : 42,497,881.20 = 26,064,439.20 : x
  2. Step 2: Convert to fraction form
    28,331,920.80/42,497,881.20 = 26,064,439.20/x
  3. Step 3: Cross multiply
    28,331,920.80x = 42,497,881.20 × 26,064,439.20
  4. Step 4: Simplify right side
    28,331,920.80x = 1,107,683,440,666,223.12
  5. Step 5: Solve for x
    x = 1,107,683,440,666,223.12/28,331,920.80
  6. Step 6: Final answer
    x = 39,096,658.80

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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.