Home / 7,142,357.57-9,854,920.01-4,242,726.05

Finding the Fourth Proportional to 7,142,357.57, 9,854,920.01 and 4,242,726.05

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Solution

The fourth proportional to 7,142,357.57, 9,854,920.01 and 4,242,726.05 is: 5,854,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,357.57 : 9,854,920.01 = 4,242,726.05 : x
  2. Step 2: Convert to fraction form
    7,142,357.57/9,854,920.01 = 4,242,726.05/x
  3. Step 3: Cross multiply
    7,142,357.57x = 9,854,920.01 × 4,242,726.05
  4. Step 4: Simplify right side
    7,142,357.57x = 41,811,725,808,425.47
  5. Step 5: Solve for x
    x = 41,811,725,808,425.47/7,142,357.57
  6. Step 6: Final answer
    x = 5,854,051.05

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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.