Home / 14,278,999.20-19,704,903.60-7,752,499.20

Finding the Fourth Proportional to 14,278,999.20, 19,704,903.60 and 7,752,499.20

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Solution

The fourth proportional to 14,278,999.20, 19,704,903.60 and 7,752,499.20 is: 10,698,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,999.20 : 19,704,903.60 = 7,752,499.20 : x
  2. Step 2: Convert to fraction form
    14,278,999.20/19,704,903.60 = 7,752,499.20/x
  3. Step 3: Cross multiply
    14,278,999.20x = 19,704,903.60 × 7,752,499.20
  4. Step 4: Simplify right side
    14,278,999.20x = 152,762,249,395,077.12
  5. Step 5: Solve for x
    x = 152,762,249,395,077.12/14,278,999.20
  6. Step 6: Final answer
    x = 10,698,386.30

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1.5x scale

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.