Home / 15,779,051.40-23,668,577.10-12,942,366.60

Finding the Fourth Proportional to 15,779,051.40, 23,668,577.10 and 12,942,366.60

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Solution

The fourth proportional to 15,779,051.40, 23,668,577.10 and 12,942,366.60 is: 19,413,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,051.40 : 23,668,577.10 = 12,942,366.60 : x
  2. Step 2: Convert to fraction form
    15,779,051.40/23,668,577.10 = 12,942,366.60/x
  3. Step 3: Cross multiply
    15,779,051.40x = 23,668,577.10 × 12,942,366.60
  4. Step 4: Simplify right side
    15,779,051.40x = 306,327,401,728,564.88
  5. Step 5: Solve for x
    x = 306,327,401,728,564.88/15,779,051.40
  6. Step 6: Final answer
    x = 19,413,549.90

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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.