Home / 20,657,114.10-30,985,671.15-17,066,934.90

Finding the Fourth Proportional to 20,657,114.10, 30,985,671.15 and 17,066,934.90

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Solution

The fourth proportional to 20,657,114.10, 30,985,671.15 and 17,066,934.90 is: 25,600,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,114.10 : 30,985,671.15 = 17,066,934.90 : x
  2. Step 2: Convert to fraction form
    20,657,114.10/30,985,671.15 = 17,066,934.90/x
  3. Step 3: Cross multiply
    20,657,114.10x = 30,985,671.15 × 17,066,934.90
  4. Step 4: Simplify right side
    20,657,114.10x = 528,830,432,349,858.06
  5. Step 5: Solve for x
    x = 528,830,432,349,858.06/20,657,114.10
  6. Step 6: Final answer
    x = 25,600,402.35

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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.