Home / 14,073,309.96-19,421,019.30-7,878,407.55

Finding the Fourth Proportional to 14,073,309.96, 19,421,019.30 and 7,878,407.55

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Solution

The fourth proportional to 14,073,309.96, 19,421,019.30 and 7,878,407.55 is: 10,872,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073,309.96 : 19,421,019.30 = 7,878,407.55 : x
  2. Step 2: Convert to fraction form
    14,073,309.96/19,421,019.30 = 7,878,407.55/x
  3. Step 3: Cross multiply
    14,073,309.96x = 19,421,019.30 × 7,878,407.55
  4. Step 4: Simplify right side
    14,073,309.96x = 153,006,705,081,815.72
  5. Step 5: Solve for x
    x = 153,006,705,081,815.72/14,073,309.96
  6. Step 6: Final answer
    x = 10,872,119.32

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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.