Home / 18,681,172.53-25,779,433.19-10,951,363.05

Finding the Fourth Proportional to 18,681,172.53, 25,779,433.19 and 10,951,363.05

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Solution

The fourth proportional to 18,681,172.53, 25,779,433.19 and 10,951,363.05 is: 15,112,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,172.53 : 25,779,433.19 = 10,951,363.05 : x
  2. Step 2: Convert to fraction form
    18,681,172.53/25,779,433.19 = 10,951,363.05/x
  3. Step 3: Cross multiply
    18,681,172.53x = 25,779,433.19 × 10,951,363.05
  4. Step 4: Simplify right side
    18,681,172.53x = 282,319,932,032,152.81
  5. Step 5: Solve for x
    x = 282,319,932,032,152.81/18,681,172.53
  6. Step 6: Final answer
    x = 15,112,538.12

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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.