Home / 7,340,126.39-10,125,289.09-6,820,538.93

Finding the Fourth Proportional to 7,340,126.39, 10,125,289.09 and 6,820,538.93

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Solution

The fourth proportional to 7,340,126.39, 10,125,289.09 and 6,820,538.93 is: 9,408,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,126.39 : 10,125,289.09 = 6,820,538.93 : x
  2. Step 2: Convert to fraction form
    7,340,126.39/10,125,289.09 = 6,820,538.93/x
  3. Step 3: Cross multiply
    7,340,126.39x = 10,125,289.09 × 6,820,538.93
  4. Step 4: Simplify right side
    7,340,126.39x = 69,059,928,415,849.27
  5. Step 5: Solve for x
    x = 69,059,928,415,849.27/7,340,126.39
  6. Step 6: Final answer
    x = 9,408,547.58

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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.