Home / 13,703,159.64-18,911,153.40-7,508,218.35

Finding the Fourth Proportional to 13,703,159.64, 18,911,153.40 and 7,508,218.35

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Solution

The fourth proportional to 13,703,159.64, 18,911,153.40 and 7,508,218.35 is: 10,361,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703,159.64 : 18,911,153.40 = 7,508,218.35 : x
  2. Step 2: Convert to fraction form
    13,703,159.64/18,911,153.40 = 7,508,218.35/x
  3. Step 3: Cross multiply
    13,703,159.64x = 18,911,153.40 × 7,508,218.35
  4. Step 4: Simplify right side
    13,703,159.64x = 141,989,068,977,544.88
  5. Step 5: Solve for x
    x = 141,989,068,977,544.88/13,703,159.64
  6. Step 6: Final answer
    x = 10,361,775.88

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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.