Home / 7,237,764.20-9,990,356.70-4,659,445

Finding the Fourth Proportional to 7,237,764.20, 9,990,356.70 and 4,659,445

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Solution

The fourth proportional to 7,237,764.20, 9,990,356.70 and 4,659,445 is: 6,431,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,764.20 : 9,990,356.70 = 4,659,445 : x
  2. Step 2: Convert to fraction form
    7,237,764.20/9,990,356.70 = 4,659,445/x
  3. Step 3: Cross multiply
    7,237,764.20x = 9,990,356.70 × 4,659,445
  4. Step 4: Simplify right side
    7,237,764.20x = 46,549,517,574,031.50
  5. Step 5: Solve for x
    x = 46,549,517,574,031.50/7,237,764.20
  6. Step 6: Final answer
    x = 6,431,477.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.