Home / 7,812,015.04-10,778,837.12-4,715,040.72

Finding the Fourth Proportional to 7,812,015.04, 10,778,837.12 and 4,715,040.72

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Solution

The fourth proportional to 7,812,015.04, 10,778,837.12 and 4,715,040.72 is: 6,505,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,015.04 : 10,778,837.12 = 4,715,040.72 : x
  2. Step 2: Convert to fraction form
    7,812,015.04/10,778,837.12 = 4,715,040.72/x
  3. Step 3: Cross multiply
    7,812,015.04x = 10,778,837.12 × 4,715,040.72
  4. Step 4: Simplify right side
    7,812,015.04x = 50,822,655,935,047.52
  5. Step 5: Solve for x
    x = 50,822,655,935,047.52/7,812,015.04
  6. Step 6: Final answer
    x = 6,505,703.80

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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.