Home / 19,971,751.40-29,957,627.10-17,657,613.80

Finding the Fourth Proportional to 19,971,751.40, 29,957,627.10 and 17,657,613.80

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Solution

The fourth proportional to 19,971,751.40, 29,957,627.10 and 17,657,613.80 is: 26,486,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,751.40 : 29,957,627.10 = 17,657,613.80 : x
  2. Step 2: Convert to fraction form
    19,971,751.40/29,957,627.10 = 17,657,613.80/x
  3. Step 3: Cross multiply
    19,971,751.40x = 29,957,627.10 × 17,657,613.80
  4. Step 4: Simplify right side
    19,971,751.40x = 528,980,209,696,214
  5. Step 5: Solve for x
    x = 528,980,209,696,214/19,971,751.40
  6. Step 6: Final answer
    x = 26,486,420.70

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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.