Home / 13,547,503.83-18,695,695.14-7,352,604.12

Finding the Fourth Proportional to 13,547,503.83, 18,695,695.14 and 7,352,604.12

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Solution

The fourth proportional to 13,547,503.83, 18,695,695.14 and 7,352,604.12 is: 10,146,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,503.83 : 18,695,695.14 = 7,352,604.12 : x
  2. Step 2: Convert to fraction form
    13,547,503.83/18,695,695.14 = 7,352,604.12/x
  3. Step 3: Cross multiply
    13,547,503.83x = 18,695,695.14 × 7,352,604.12
  4. Step 4: Simplify right side
    13,547,503.83x = 137,462,045,112,627.98
  5. Step 5: Solve for x
    x = 137,462,045,112,627.98/13,547,503.83
  6. Step 6: Final answer
    x = 10,146,669.59

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1.5x scale

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.