Home / 13,209,307.60-19,832,623.80-8,170,459.60

Finding the Fourth Proportional to 13,209,307.60, 19,832,623.80 and 8,170,459.60

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Solution

The fourth proportional to 13,209,307.60, 19,832,623.80 and 8,170,459.60 is: 12,267,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,307.60 : 19,832,623.80 = 8,170,459.60 : x
  2. Step 2: Convert to fraction form
    13,209,307.60/19,832,623.80 = 8,170,459.60/x
  3. Step 3: Cross multiply
    13,209,307.60x = 19,832,623.80 × 8,170,459.60
  4. Step 4: Simplify right side
    13,209,307.60x = 162,041,651,519,898.47
  5. Step 5: Solve for x
    x = 162,041,651,519,898.47/13,209,307.60
  6. Step 6: Final answer
    x = 12,267,232.80

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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.