Home / 8,341,397.10-11,501,320.68-6,686,220.87

Finding the Fourth Proportional to 8,341,397.10, 11,501,320.68 and 6,686,220.87

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Solution

The fourth proportional to 8,341,397.10, 11,501,320.68 and 6,686,220.87 is: 9,219,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,397.10 : 11,501,320.68 = 6,686,220.87 : x
  2. Step 2: Convert to fraction form
    8,341,397.10/11,501,320.68 = 6,686,220.87/x
  3. Step 3: Cross multiply
    8,341,397.10x = 11,501,320.68 × 6,686,220.87
  4. Step 4: Simplify right side
    8,341,397.10x = 76,900,370,363,178.59
  5. Step 5: Solve for x
    x = 76,900,370,363,178.59/8,341,397.10
  6. Step 6: Final answer
    x = 9,219,123.54

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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.