Home / 13,690,161.36-18,892,646.40-7,495,104.72

Finding the Fourth Proportional to 13,690,161.36, 18,892,646.40 and 7,495,104.72

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Solution

The fourth proportional to 13,690,161.36, 18,892,646.40 and 7,495,104.72 is: 10,343,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,161.36 : 18,892,646.40 = 7,495,104.72 : x
  2. Step 2: Convert to fraction form
    13,690,161.36/18,892,646.40 = 7,495,104.72/x
  3. Step 3: Cross multiply
    13,690,161.36x = 18,892,646.40 × 7,495,104.72
  4. Step 4: Simplify right side
    13,690,161.36x = 141,602,363,205,931
  5. Step 5: Solve for x
    x = 141,602,363,205,931/13,690,161.36
  6. Step 6: Final answer
    x = 10,343,367.00

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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.