Home / 7,316,878.88-10,975,886.76-2,198,909.36

Finding the Fourth Proportional to 7,316,878.88, 10,975,886.76 and 2,198,909.36

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Solution

The fourth proportional to 7,316,878.88, 10,975,886.76 and 2,198,909.36 is: 3,298,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316,878.88 : 10,975,886.76 = 2,198,909.36 : x
  2. Step 2: Convert to fraction form
    7,316,878.88/10,975,886.76 = 2,198,909.36/x
  3. Step 3: Cross multiply
    7,316,878.88x = 10,975,886.76 × 2,198,909.36
  4. Step 4: Simplify right side
    7,316,878.88x = 24,134,980,130,864.07
  5. Step 5: Solve for x
    x = 24,134,980,130,864.07/7,316,878.88
  6. Step 6: Final answer
    x = 3,298,534.87

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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.