Home / 12,898,737.51-17,799,724.05-7,018,395.87

Finding the Fourth Proportional to 12,898,737.51, 17,799,724.05 and 7,018,395.87

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Solution

The fourth proportional to 12,898,737.51, 17,799,724.05 and 7,018,395.87 is: 9,685,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,737.51 : 17,799,724.05 = 7,018,395.87 : x
  2. Step 2: Convert to fraction form
    12,898,737.51/17,799,724.05 = 7,018,395.87/x
  3. Step 3: Cross multiply
    12,898,737.51x = 17,799,724.05 × 7,018,395.87
  4. Step 4: Simplify right side
    12,898,737.51x = 124,925,509,759,659.69
  5. Step 5: Solve for x
    x = 124,925,509,759,659.69/12,898,737.51
  6. Step 6: Final answer
    x = 9,685,095.90

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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.