Home / 13,619,536.80-20,437,254-7,559,354.40

Finding the Fourth Proportional to 13,619,536.80, 20,437,254 and 7,559,354.40

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Solution

The fourth proportional to 13,619,536.80, 20,437,254 and 7,559,354.40 is: 11,343,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,536.80 : 20,437,254 = 7,559,354.40 : x
  2. Step 2: Convert to fraction form
    13,619,536.80/20,437,254 = 7,559,354.40/x
  3. Step 3: Cross multiply
    13,619,536.80x = 20,437,254 × 7,559,354.40
  4. Step 4: Simplify right side
    13,619,536.80x = 154,492,445,948,817.59
  5. Step 5: Solve for x
    x = 154,492,445,948,817.59/13,619,536.80
  6. Step 6: Final answer
    x = 11,343,443.48

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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.