Home / 10,371,320.70-15,556,981.05-9,740,946.30

Finding the Fourth Proportional to 10,371,320.70, 15,556,981.05 and 9,740,946.30

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Solution

The fourth proportional to 10,371,320.70, 15,556,981.05 and 9,740,946.30 is: 14,611,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,320.70 : 15,556,981.05 = 9,740,946.30 : x
  2. Step 2: Convert to fraction form
    10,371,320.70/15,556,981.05 = 9,740,946.30/x
  3. Step 3: Cross multiply
    10,371,320.70x = 15,556,981.05 × 9,740,946.30
  4. Step 4: Simplify right side
    10,371,320.70x = 151,539,716,998,167.62
  5. Step 5: Solve for x
    x = 151,539,716,998,167.62/10,371,320.70
  6. Step 6: Final answer
    x = 14,611,419.45

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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.