Home / 8,243,143.80-12,358,955.70-4,875,617.40

Finding the Fourth Proportional to 8,243,143.80, 12,358,955.70 and 4,875,617.40

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Solution

The fourth proportional to 8,243,143.80, 12,358,955.70 and 4,875,617.40 is: 7,310,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243,143.80 : 12,358,955.70 = 4,875,617.40 : x
  2. Step 2: Convert to fraction form
    8,243,143.80/12,358,955.70 = 4,875,617.40/x
  3. Step 3: Cross multiply
    8,243,143.80x = 12,358,955.70 × 4,875,617.40
  4. Step 4: Simplify right side
    8,243,143.80x = 60,257,539,456,749.18
  5. Step 5: Solve for x
    x = 60,257,539,456,749.18/8,243,143.80
  6. Step 6: Final answer
    x = 7,310,019.20

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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.