Home / 31,547,869.40-47,321,804.10-17,895,740.60

Finding the Fourth Proportional to 31,547,869.40, 47,321,804.10 and 17,895,740.60

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Solution

The fourth proportional to 31,547,869.40, 47,321,804.10 and 17,895,740.60 is: 26,843,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547,869.40 : 47,321,804.10 = 17,895,740.60 : x
  2. Step 2: Convert to fraction form
    31,547,869.40/47,321,804.10 = 17,895,740.60/x
  3. Step 3: Cross multiply
    31,547,869.40x = 47,321,804.10 × 17,895,740.60
  4. Step 4: Simplify right side
    31,547,869.40x = 846,858,730,897,616.50
  5. Step 5: Solve for x
    x = 846,858,730,897,616.50/31,547,869.40
  6. Step 6: Final answer
    x = 26,843,610.90

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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.