Home / 31,435,176.60-43,380,478.02-17,684,140.72

Finding the Fourth Proportional to 31,435,176.60, 43,380,478.02 and 17,684,140.72

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Solution

The fourth proportional to 31,435,176.60, 43,380,478.02 and 17,684,140.72 is: 24,404,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435,176.60 : 43,380,478.02 = 17,684,140.72 : x
  2. Step 2: Convert to fraction form
    31,435,176.60/43,380,478.02 = 17,684,140.72/x
  3. Step 3: Cross multiply
    31,435,176.60x = 43,380,478.02 × 17,684,140.72
  4. Step 4: Simplify right side
    31,435,176.60x = 767,146,477,806,547
  5. Step 5: Solve for x
    x = 767,146,477,806,547/31,435,176.60
  6. Step 6: Final answer
    x = 24,404,077.24

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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.