Home / 7,253,422.77-10,009,407.20-3,990,030.51

Finding the Fourth Proportional to 7,253,422.77, 10,009,407.20 and 3,990,030.51

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Solution

The fourth proportional to 7,253,422.77, 10,009,407.20 and 3,990,030.51 is: 5,506,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,422.77 : 10,009,407.20 = 3,990,030.51 : x
  2. Step 2: Convert to fraction form
    7,253,422.77/10,009,407.20 = 3,990,030.51/x
  3. Step 3: Cross multiply
    7,253,422.77x = 10,009,407.20 × 3,990,030.51
  4. Step 4: Simplify right side
    7,253,422.77x = 39,937,840,115,013.66
  5. Step 5: Solve for x
    x = 39,937,840,115,013.66/7,253,422.77
  6. Step 6: Final answer
    x = 5,506,068.15

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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.