Home / 7,033,766.40-10,549,612.80-1,985,587.20

Finding the Fourth Proportional to 7,033,766.40, 10,549,612.80 and 1,985,587.20

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Solution

The fourth proportional to 7,033,766.40, 10,549,612.80 and 1,985,587.20 is: 2,978,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,033,766.40 : 10,549,612.80 = 1,985,587.20 : x
  2. Step 2: Convert to fraction form
    7,033,766.40/10,549,612.80 = 1,985,587.20/x
  3. Step 3: Cross multiply
    7,033,766.40x = 10,549,612.80 × 1,985,587.20
  4. Step 4: Simplify right side
    7,033,766.40x = 20,947,176,140,636.16
  5. Step 5: Solve for x
    x = 20,947,176,140,636.16/7,033,766.40
  6. Step 6: Final answer
    x = 2,978,088.12

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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.