Home / 9,087,667.89-12,540,779.86-5,013,285.81

Finding the Fourth Proportional to 9,087,667.89, 12,540,779.86 and 5,013,285.81

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Solution

The fourth proportional to 9,087,667.89, 12,540,779.86 and 5,013,285.81 is: 6,918,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087,667.89 : 12,540,779.86 = 5,013,285.81 : x
  2. Step 2: Convert to fraction form
    9,087,667.89/12,540,779.86 = 5,013,285.81/x
  3. Step 3: Cross multiply
    9,087,667.89x = 12,540,779.86 × 5,013,285.81
  4. Step 4: Simplify right side
    9,087,667.89x = 62,870,513,718,471.78
  5. Step 5: Solve for x
    x = 62,870,513,718,471.78/9,087,667.89
  6. Step 6: Final answer
    x = 6,918,223.08

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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.