Home / 42,967,449.94-64,450,543.40-10,619,355.26

Finding the Fourth Proportional to 42,967,449.94, 64,450,543.40 and 10,619,355.26

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Solution

The fourth proportional to 42,967,449.94, 64,450,543.40 and 10,619,355.26 is: 15,928,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967,449.94 : 64,450,543.40 = 10,619,355.26 : x
  2. Step 2: Convert to fraction form
    42,967,449.94/64,450,543.40 = 10,619,355.26/x
  3. Step 3: Cross multiply
    42,967,449.94x = 64,450,543.40 × 10,619,355.26
  4. Step 4: Simplify right side
    42,967,449.94x = 684,423,217,064,648.25
  5. Step 5: Solve for x
    x = 684,423,217,064,648.25/42,967,449.94
  6. Step 6: Final answer
    x = 15,928,876.81

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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.