Home / 14,215,525-19,617,424.50-7,689,154.12

Finding the Fourth Proportional to 14,215,525, 19,617,424.50 and 7,689,154.12

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Solution

The fourth proportional to 14,215,525, 19,617,424.50 and 7,689,154.12 is: 10,611,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,525 : 19,617,424.50 = 7,689,154.12 : x
  2. Step 2: Convert to fraction form
    14,215,525/19,617,424.50 = 7,689,154.12/x
  3. Step 3: Cross multiply
    14,215,525x = 19,617,424.50 × 7,689,154.12
  4. Step 4: Simplify right side
    14,215,525x = 150,841,400,417,963.94
  5. Step 5: Solve for x
    x = 150,841,400,417,963.94/14,215,525
  6. Step 6: Final answer
    x = 10,611,032.69

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1.5x scale

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.