Home / 9,860,219.20-14,790,328.80-7,151,838.40

Finding the Fourth Proportional to 9,860,219.20, 14,790,328.80 and 7,151,838.40

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Solution

The fourth proportional to 9,860,219.20, 14,790,328.80 and 7,151,838.40 is: 10,727,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,219.20 : 14,790,328.80 = 7,151,838.40 : x
  2. Step 2: Convert to fraction form
    9,860,219.20/14,790,328.80 = 7,151,838.40/x
  3. Step 3: Cross multiply
    9,860,219.20x = 14,790,328.80 × 7,151,838.40
  4. Step 4: Simplify right side
    9,860,219.20x = 105,778,041,460,465.94
  5. Step 5: Solve for x
    x = 105,778,041,460,465.94/9,860,219.20
  6. Step 6: Final answer
    x = 10,727,757.60

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1.5x scale

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.