Home / 7,176,718.76-9,904,111.02-3,913,712.01

Finding the Fourth Proportional to 7,176,718.76, 9,904,111.02 and 3,913,712.01

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Solution

The fourth proportional to 7,176,718.76, 9,904,111.02 and 3,913,712.01 is: 5,401,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,718.76 : 9,904,111.02 = 3,913,712.01 : x
  2. Step 2: Convert to fraction form
    7,176,718.76/9,904,111.02 = 3,913,712.01/x
  3. Step 3: Cross multiply
    7,176,718.76x = 9,904,111.02 × 3,913,712.01
  4. Step 4: Simplify right side
    7,176,718.76x = 38,761,838,247,347.34
  5. Step 5: Solve for x
    x = 38,761,838,247,347.34/7,176,718.76
  6. Step 6: Final answer
    x = 5,401,052.98

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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.