Home / 14,073,308.96-19,421,017.92-7,878,406.55

Finding the Fourth Proportional to 14,073,308.96, 19,421,017.92 and 7,878,406.55

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Solution

The fourth proportional to 14,073,308.96, 19,421,017.92 and 7,878,406.55 is: 10,872,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073,308.96 : 19,421,017.92 = 7,878,406.55 : x
  2. Step 2: Convert to fraction form
    14,073,308.96/19,421,017.92 = 7,878,406.55/x
  3. Step 3: Cross multiply
    14,073,308.96x = 19,421,017.92 × 7,878,406.55
  4. Step 4: Simplify right side
    14,073,308.96x = 153,006,674,691,490.31
  5. Step 5: Solve for x
    x = 153,006,674,691,490.31/14,073,308.96
  6. Step 6: Final answer
    x = 10,872,117.93

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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.