Home / 8,726,128.18-13,091,689.70-2,970,130.07

Finding the Fourth Proportional to 8,726,128.18, 13,091,689.70 and 2,970,130.07

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Solution

The fourth proportional to 8,726,128.18, 13,091,689.70 and 2,970,130.07 is: 4,456,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726,128.18 : 13,091,689.70 = 2,970,130.07 : x
  2. Step 2: Convert to fraction form
    8,726,128.18/13,091,689.70 = 2,970,130.07/x
  3. Step 3: Cross multiply
    8,726,128.18x = 13,091,689.70 × 2,970,130.07
  4. Step 4: Simplify right side
    8,726,128.18x = 38,884,021,274,095.84
  5. Step 5: Solve for x
    x = 38,884,021,274,095.84/8,726,128.18
  6. Step 6: Final answer
    x = 4,456,045.16

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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.