Home / 13,208,735.83-19,817,823.28-8,031,877.91

Finding the Fourth Proportional to 13,208,735.83, 19,817,823.28 and 8,031,877.91

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Solution

The fourth proportional to 13,208,735.83, 19,817,823.28 and 8,031,877.91 is: 12,050,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,735.83 : 19,817,823.28 = 8,031,877.91 : x
  2. Step 2: Convert to fraction form
    13,208,735.83/19,817,823.28 = 8,031,877.91/x
  3. Step 3: Cross multiply
    13,208,735.83x = 19,817,823.28 × 8,031,877.91
  4. Step 4: Simplify right side
    13,208,735.83x = 159,174,337,026,915.75
  5. Step 5: Solve for x
    x = 159,174,337,026,915.75/13,208,735.83
  6. Step 6: Final answer
    x = 12,050,686.69

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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.