Home / 7,915,312.74-10,923,172.05-4,477,479.96

Finding the Fourth Proportional to 7,915,312.74, 10,923,172.05 and 4,477,479.96

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Solution

The fourth proportional to 7,915,312.74, 10,923,172.05 and 4,477,479.96 is: 6,178,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,312.74 : 10,923,172.05 = 4,477,479.96 : x
  2. Step 2: Convert to fraction form
    7,915,312.74/10,923,172.05 = 4,477,479.96/x
  3. Step 3: Cross multiply
    7,915,312.74x = 10,923,172.05 × 4,477,479.96
  4. Step 4: Simplify right side
    7,915,312.74x = 48,908,283,953,507.12
  5. Step 5: Solve for x
    x = 48,908,283,953,507.12/7,915,312.74
  6. Step 6: Final answer
    x = 6,178,945.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.