Home / 18,513,244.08-25,547,570.40-10,140,479.76

Finding the Fourth Proportional to 18,513,244.08, 25,547,570.40 and 10,140,479.76

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Solution

The fourth proportional to 18,513,244.08, 25,547,570.40 and 10,140,479.76 is: 13,993,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513,244.08 : 25,547,570.40 = 10,140,479.76 : x
  2. Step 2: Convert to fraction form
    18,513,244.08/25,547,570.40 = 10,140,479.76/x
  3. Step 3: Cross multiply
    18,513,244.08x = 25,547,570.40 × 10,140,479.76
  4. Step 4: Simplify right side
    18,513,244.08x = 259,064,620,558,375.09
  5. Step 5: Solve for x
    x = 259,064,620,558,375.09/18,513,244.08
  6. Step 6: Final answer
    x = 13,993,475.13

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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.