Home / 7,820,323.02-10,788,966.84-4,878,428.16

Finding the Fourth Proportional to 7,820,323.02, 10,788,966.84 and 4,878,428.16

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Solution

The fourth proportional to 7,820,323.02, 10,788,966.84 and 4,878,428.16 is: 6,730,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,323.02 : 10,788,966.84 = 4,878,428.16 : x
  2. Step 2: Convert to fraction form
    7,820,323.02/10,788,966.84 = 4,878,428.16/x
  3. Step 3: Cross multiply
    7,820,323.02x = 10,788,966.84 × 4,878,428.16
  4. Step 4: Simplify right side
    7,820,323.02x = 52,633,199,649,562.22
  5. Step 5: Solve for x
    x = 52,633,199,649,562.22/7,820,323.02
  6. Step 6: Final answer
    x = 6,730,310.18

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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.