Home / 7,208,501.92-9,931,419.28-5,917,297.44

Finding the Fourth Proportional to 7,208,501.92, 9,931,419.28 and 5,917,297.44

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Solution

The fourth proportional to 7,208,501.92, 9,931,419.28 and 5,917,297.44 is: 8,152,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,501.92 : 9,931,419.28 = 5,917,297.44 : x
  2. Step 2: Convert to fraction form
    7,208,501.92/9,931,419.28 = 5,917,297.44/x
  3. Step 3: Cross multiply
    7,208,501.92x = 9,931,419.28 × 5,917,297.44
  4. Step 4: Simplify right side
    7,208,501.92x = 58,767,161,881,110.64
  5. Step 5: Solve for x
    x = 58,767,161,881,110.64/7,208,501.92
  6. Step 6: Final answer
    x = 8,152,479.19

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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.