Home / 18,681,114.65-25,779,353.63-10,951,305.30

Finding the Fourth Proportional to 18,681,114.65, 25,779,353.63 and 10,951,305.30

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Solution

The fourth proportional to 18,681,114.65, 25,779,353.63 and 10,951,305.30 is: 15,112,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,114.65 : 25,779,353.63 = 10,951,305.30 : x
  2. Step 2: Convert to fraction form
    18,681,114.65/25,779,353.63 = 10,951,305.30/x
  3. Step 3: Cross multiply
    18,681,114.65x = 25,779,353.63 × 10,951,305.30
  4. Step 4: Simplify right side
    18,681,114.65x = 282,317,571,984,036.75
  5. Step 5: Solve for x
    x = 282,317,571,984,036.75/18,681,114.65
  6. Step 6: Final answer
    x = 15,112,458.62

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Double scale
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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.