Home / 8,740,721.70-12,061,631.70-4,873,012.20

Finding the Fourth Proportional to 8,740,721.70, 12,061,631.70 and 4,873,012.20

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Solution

The fourth proportional to 8,740,721.70, 12,061,631.70 and 4,873,012.20 is: 6,724,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,721.70 : 12,061,631.70 = 4,873,012.20 : x
  2. Step 2: Convert to fraction form
    8,740,721.70/12,061,631.70 = 4,873,012.20/x
  3. Step 3: Cross multiply
    8,740,721.70x = 12,061,631.70 × 4,873,012.20
  4. Step 4: Simplify right side
    8,740,721.70x = 58,776,478,426,006.74
  5. Step 5: Solve for x
    x = 58,776,478,426,006.74/8,740,721.70
  6. Step 6: Final answer
    x = 6,724,442.26

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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.