Home / 10,859,326.69-14,988,480.65-6,215,803.84

Finding the Fourth Proportional to 10,859,326.69, 14,988,480.65 and 6,215,803.84

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Solution

The fourth proportional to 10,859,326.69, 14,988,480.65 and 6,215,803.84 is: 8,579,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859,326.69 : 14,988,480.65 = 6,215,803.84 : x
  2. Step 2: Convert to fraction form
    10,859,326.69/14,988,480.65 = 6,215,803.84/x
  3. Step 3: Cross multiply
    10,859,326.69x = 14,988,480.65 × 6,215,803.84
  4. Step 4: Simplify right side
    10,859,326.69x = 93,165,455,615,677.80
  5. Step 5: Solve for x
    x = 93,165,455,615,677.80/10,859,326.69
  6. Step 6: Final answer
    x = 8,579,303.15

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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.