Home / 13,127,550.60-19,681,994.70-5,037,400.20

Finding the Fourth Proportional to 13,127,550.60, 19,681,994.70 and 5,037,400.20

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Solution

The fourth proportional to 13,127,550.60, 19,681,994.70 and 5,037,400.20 is: 7,552,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,550.60 : 19,681,994.70 = 5,037,400.20 : x
  2. Step 2: Convert to fraction form
    13,127,550.60/19,681,994.70 = 5,037,400.20/x
  3. Step 3: Cross multiply
    13,127,550.60x = 19,681,994.70 × 5,037,400.20
  4. Step 4: Simplify right side
    13,127,550.60x = 99,146,084,038,178.94
  5. Step 5: Solve for x
    x = 99,146,084,038,178.94/13,127,550.60
  6. Step 6: Final answer
    x = 7,552,519.66

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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.