Home / 7,887,119.08-10,881,577.38-6,434,303.08

Finding the Fourth Proportional to 7,887,119.08, 10,881,577.38 and 6,434,303.08

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Solution

The fourth proportional to 7,887,119.08, 10,881,577.38 and 6,434,303.08 is: 8,877,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,119.08 : 10,881,577.38 = 6,434,303.08 : x
  2. Step 2: Convert to fraction form
    7,887,119.08/10,881,577.38 = 6,434,303.08/x
  3. Step 3: Cross multiply
    7,887,119.08x = 10,881,577.38 × 6,434,303.08
  4. Step 4: Simplify right side
    7,887,119.08x = 70,015,366,851,392.34
  5. Step 5: Solve for x
    x = 70,015,366,851,392.34/7,887,119.08
  6. Step 6: Final answer
    x = 8,877,178.87

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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.