Home / 7,381,386.20-11,072,079.30-6,371,648.30

Finding the Fourth Proportional to 7,381,386.20, 11,072,079.30 and 6,371,648.30

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Solution

The fourth proportional to 7,381,386.20, 11,072,079.30 and 6,371,648.30 is: 9,557,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,386.20 : 11,072,079.30 = 6,371,648.30 : x
  2. Step 2: Convert to fraction form
    7,381,386.20/11,072,079.30 = 6,371,648.30/x
  3. Step 3: Cross multiply
    7,381,386.20x = 11,072,079.30 × 6,371,648.30
  4. Step 4: Simplify right side
    7,381,386.20x = 70,547,395,249,310.19
  5. Step 5: Solve for x
    x = 70,547,395,249,310.19/7,381,386.20
  6. Step 6: Final answer
    x = 9,557,472.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.