Home / 25,920,686.66-38,881,017.42-7,724,417.36

Finding the Fourth Proportional to 25,920,686.66, 38,881,017.42 and 7,724,417.36

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Solution

The fourth proportional to 25,920,686.66, 38,881,017.42 and 7,724,417.36 is: 11,586,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,686.66 : 38,881,017.42 = 7,724,417.36 : x
  2. Step 2: Convert to fraction form
    25,920,686.66/38,881,017.42 = 7,724,417.36/x
  3. Step 3: Cross multiply
    25,920,686.66x = 38,881,017.42 × 7,724,417.36
  4. Step 4: Simplify right side
    25,920,686.66x = 300,333,205,933,510.44
  5. Step 5: Solve for x
    x = 300,333,205,933,510.44/25,920,686.66
  6. Step 6: Final answer
    x = 11,586,622.29

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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.