Home / 10,307,612.80-15,447,969.15-5,758,477.84

Finding the Fourth Proportional to 10,307,612.80, 15,447,969.15 and 5,758,477.84

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Solution

The fourth proportional to 10,307,612.80, 15,447,969.15 and 5,758,477.84 is: 8,630,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,612.80 : 15,447,969.15 = 5,758,477.84 : x
  2. Step 2: Convert to fraction form
    10,307,612.80/15,447,969.15 = 5,758,477.84/x
  3. Step 3: Cross multiply
    10,307,612.80x = 15,447,969.15 × 5,758,477.84
  4. Step 4: Simplify right side
    10,307,612.80x = 88,956,788,020,994.30
  5. Step 5: Solve for x
    x = 88,956,788,020,994.30/10,307,612.80
  6. Step 6: Final answer
    x = 8,630,202.72

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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.