Home / 10,985,490.40-16,478,235.60-6,495,455.20

Finding the Fourth Proportional to 10,985,490.40, 16,478,235.60 and 6,495,455.20

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Solution

The fourth proportional to 10,985,490.40, 16,478,235.60 and 6,495,455.20 is: 9,743,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,490.40 : 16,478,235.60 = 6,495,455.20 : x
  2. Step 2: Convert to fraction form
    10,985,490.40/16,478,235.60 = 6,495,455.20/x
  3. Step 3: Cross multiply
    10,985,490.40x = 16,478,235.60 × 6,495,455.20
  4. Step 4: Simplify right side
    10,985,490.40x = 107,033,641,114,845.12
  5. Step 5: Solve for x
    x = 107,033,641,114,845.12/10,985,490.40
  6. Step 6: Final answer
    x = 9,743,182.80

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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.