Home / 12,964,323.38-17,891,127.32-7,163,480.84

Finding the Fourth Proportional to 12,964,323.38, 17,891,127.32 and 7,163,480.84

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Solution

The fourth proportional to 12,964,323.38, 17,891,127.32 and 7,163,480.84 is: 9,885,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964,323.38 : 17,891,127.32 = 7,163,480.84 : x
  2. Step 2: Convert to fraction form
    12,964,323.38/17,891,127.32 = 7,163,480.84/x
  3. Step 3: Cross multiply
    12,964,323.38x = 17,891,127.32 × 7,163,480.84
  4. Step 4: Simplify right side
    12,964,323.38x = 128,162,747,637,547.52
  5. Step 5: Solve for x
    x = 128,162,747,637,547.52/12,964,323.38
  6. Step 6: Final answer
    x = 9,885,803.06

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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.