Home / 10,943,390.40-15,101,938.02-5,981,838.48

Finding the Fourth Proportional to 10,943,390.40, 15,101,938.02 and 5,981,838.48

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Solution

The fourth proportional to 10,943,390.40, 15,101,938.02 and 5,981,838.48 is: 8,254,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,390.40 : 15,101,938.02 = 5,981,838.48 : x
  2. Step 2: Convert to fraction form
    10,943,390.40/15,101,938.02 = 5,981,838.48/x
  3. Step 3: Cross multiply
    10,943,390.40x = 15,101,938.02 × 5,981,838.48
  4. Step 4: Simplify right side
    10,943,390.40x = 90,337,353,970,611.02
  5. Step 5: Solve for x
    x = 90,337,353,970,611.02/10,943,390.40
  6. Step 6: Final answer
    x = 8,254,969.50

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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.