Home / 13,690,165.86-18,892,652.61-7,495,109.22

Finding the Fourth Proportional to 13,690,165.86, 18,892,652.61 and 7,495,109.22

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Solution

The fourth proportional to 13,690,165.86, 18,892,652.61 and 7,495,109.22 is: 10,343,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,165.86 : 18,892,652.61 = 7,495,109.22 : x
  2. Step 2: Convert to fraction form
    13,690,165.86/18,892,652.61 = 7,495,109.22/x
  3. Step 3: Cross multiply
    13,690,165.86x = 18,892,652.61 × 7,495,109.22
  4. Step 4: Simplify right side
    13,690,165.86x = 141,602,494,767,468.06
  5. Step 5: Solve for x
    x = 141,602,494,767,468.06/13,690,165.86
  6. Step 6: Final answer
    x = 10,343,373.21

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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.