Home / 10,008,893.79-15,013,339.47-8,657,038.62

Finding the Fourth Proportional to 10,008,893.79, 15,013,339.47 and 8,657,038.62

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Solution

The fourth proportional to 10,008,893.79, 15,013,339.47 and 8,657,038.62 is: 12,985,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,893.79 : 15,013,339.47 = 8,657,038.62 : x
  2. Step 2: Convert to fraction form
    10,008,893.79/15,013,339.47 = 8,657,038.62/x
  3. Step 3: Cross multiply
    10,008,893.79x = 15,013,339.47 × 8,657,038.62
  4. Step 4: Simplify right side
    10,008,893.79x = 129,971,059,606,960.33
  5. Step 5: Solve for x
    x = 129,971,059,606,960.33/10,008,893.79
  6. Step 6: Final answer
    x = 12,985,556.88

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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.