Home / 13,128,165.59-19,691,536.16-4,030,264.70

Finding the Fourth Proportional to 13,128,165.59, 19,691,536.16 and 4,030,264.70

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Solution

The fourth proportional to 13,128,165.59, 19,691,536.16 and 4,030,264.70 is: 6,045,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128,165.59 : 19,691,536.16 = 4,030,264.70 : x
  2. Step 2: Convert to fraction form
    13,128,165.59/19,691,536.16 = 4,030,264.70/x
  3. Step 3: Cross multiply
    13,128,165.59x = 19,691,536.16 × 4,030,264.70
  4. Step 4: Simplify right side
    13,128,165.59x = 79,362,102,975,963.88
  5. Step 5: Solve for x
    x = 79,362,102,975,963.88/13,128,165.59
  6. Step 6: Final answer
    x = 6,045,178.39

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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.