Home / 15,509,966.40-23,275,447.20-6,985,915.20

Finding the Fourth Proportional to 15,509,966.40, 23,275,447.20 and 6,985,915.20

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Solution

The fourth proportional to 15,509,966.40, 23,275,447.20 and 6,985,915.20 is: 10,483,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,966.40 : 23,275,447.20 = 6,985,915.20 : x
  2. Step 2: Convert to fraction form
    15,509,966.40/23,275,447.20 = 6,985,915.20/x
  3. Step 3: Cross multiply
    15,509,966.40x = 23,275,447.20 × 6,985,915.20
  4. Step 4: Simplify right side
    15,509,966.40x = 162,600,300,381,277.44
  5. Step 5: Solve for x
    x = 162,600,300,381,277.44/15,509,966.40
  6. Step 6: Final answer
    x = 10,483,601.07

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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.