Home / 7,716,275.20-10,642,316.16-4,963,278.88

Finding the Fourth Proportional to 7,716,275.20, 10,642,316.16 and 4,963,278.88

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Solution

The fourth proportional to 7,716,275.20, 10,642,316.16 and 4,963,278.88 is: 6,845,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,275.20 : 10,642,316.16 = 4,963,278.88 : x
  2. Step 2: Convert to fraction form
    7,716,275.20/10,642,316.16 = 4,963,278.88/x
  3. Step 3: Cross multiply
    7,716,275.20x = 10,642,316.16 × 4,963,278.88
  4. Step 4: Simplify right side
    7,716,275.20x = 52,820,783,031,210.70
  5. Step 5: Solve for x
    x = 52,820,783,031,210.70/7,716,275.20
  6. Step 6: Final answer
    x = 6,845,373.14

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Double scale
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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.