Home / 7,239,401.64-9,990,569.38-4,259,313.06

Finding the Fourth Proportional to 7,239,401.64, 9,990,569.38 and 4,259,313.06

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Solution

The fourth proportional to 7,239,401.64, 9,990,569.38 and 4,259,313.06 is: 5,877,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,401.64 : 9,990,569.38 = 4,259,313.06 : x
  2. Step 2: Convert to fraction form
    7,239,401.64/9,990,569.38 = 4,259,313.06/x
  3. Step 3: Cross multiply
    7,239,401.64x = 9,990,569.38 × 4,259,313.06
  4. Step 4: Simplify right side
    7,239,401.64x = 42,552,962,637,070.10
  5. Step 5: Solve for x
    x = 42,552,962,637,070.10/7,239,401.64
  6. Step 6: Final answer
    x = 5,877,966.82

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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.