Home / 20,657,130.60-30,985,695.90-17,066,951.40

Finding the Fourth Proportional to 20,657,130.60, 30,985,695.90 and 17,066,951.40

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Solution

The fourth proportional to 20,657,130.60, 30,985,695.90 and 17,066,951.40 is: 25,600,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,130.60 : 30,985,695.90 = 17,066,951.40 : x
  2. Step 2: Convert to fraction form
    20,657,130.60/30,985,695.90 = 17,066,951.40/x
  3. Step 3: Cross multiply
    20,657,130.60x = 30,985,695.90 × 17,066,951.40
  4. Step 4: Simplify right side
    20,657,130.60x = 528,831,366,020,479.19
  5. Step 5: Solve for x
    x = 528,831,366,020,479.19/20,657,130.60
  6. Step 6: Final answer
    x = 25,600,427.10

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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.