Home / 13,977,031.26-19,288,263.63-7,865,459.70

Finding the Fourth Proportional to 13,977,031.26, 19,288,263.63 and 7,865,459.70

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Solution

The fourth proportional to 13,977,031.26, 19,288,263.63 and 7,865,459.70 is: 10,854,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,031.26 : 19,288,263.63 = 7,865,459.70 : x
  2. Step 2: Convert to fraction form
    13,977,031.26/19,288,263.63 = 7,865,459.70/x
  3. Step 3: Cross multiply
    13,977,031.26x = 19,288,263.63 × 7,865,459.70
  4. Step 4: Simplify right side
    13,977,031.26x = 151,711,060,264,740.72
  5. Step 5: Solve for x
    x = 151,711,060,264,740.72/13,977,031.26
  6. Step 6: Final answer
    x = 10,854,312.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.