Home / 10,368,055.90-15,559,859.85-5,316,766.30

Finding the Fourth Proportional to 10,368,055.90, 15,559,859.85 and 5,316,766.30

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Solution

The fourth proportional to 10,368,055.90, 15,559,859.85 and 5,316,766.30 is: 7,979,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,055.90 : 15,559,859.85 = 5,316,766.30 : x
  2. Step 2: Convert to fraction form
    10,368,055.90/15,559,859.85 = 5,316,766.30/x
  3. Step 3: Cross multiply
    10,368,055.90x = 15,559,859.85 × 5,316,766.30
  4. Step 4: Simplify right side
    10,368,055.90x = 82,728,138,483,203.05
  5. Step 5: Solve for x
    x = 82,728,138,483,203.05/10,368,055.90
  6. Step 6: Final answer
    x = 7,979,137.00

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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.