Home / 9,886,420.80-14,829,631.20-4,206,830.40

Finding the Fourth Proportional to 9,886,420.80, 14,829,631.20 and 4,206,830.40

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Solution

The fourth proportional to 9,886,420.80, 14,829,631.20 and 4,206,830.40 is: 6,310,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886,420.80 : 14,829,631.20 = 4,206,830.40 : x
  2. Step 2: Convert to fraction form
    9,886,420.80/14,829,631.20 = 4,206,830.40/x
  3. Step 3: Cross multiply
    9,886,420.80x = 14,829,631.20 × 4,206,830.40
  4. Step 4: Simplify right side
    9,886,420.80x = 62,385,743,352,948.48
  5. Step 5: Solve for x
    x = 62,385,743,352,948.48/9,886,420.80
  6. Step 6: Final answer
    x = 6,310,245.60

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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.