Home / 14,386,923.20-19,853,722.40-7,860,412.48

Finding the Fourth Proportional to 14,386,923.20, 19,853,722.40 and 7,860,412.48

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Solution

The fourth proportional to 14,386,923.20, 19,853,722.40 and 7,860,412.48 is: 10,847,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386,923.20 : 19,853,722.40 = 7,860,412.48 : x
  2. Step 2: Convert to fraction form
    14,386,923.20/19,853,722.40 = 7,860,412.48/x
  3. Step 3: Cross multiply
    14,386,923.20x = 19,853,722.40 × 7,860,412.48
  4. Step 4: Simplify right side
    14,386,923.20x = 156,058,447,327,415.56
  5. Step 5: Solve for x
    x = 156,058,447,327,415.56/14,386,923.20
  6. Step 6: Final answer
    x = 10,847,242.68

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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.