Home / 7,689,409.12-10,610,960.70-4,251,423.40

Finding the Fourth Proportional to 7,689,409.12, 10,610,960.70 and 4,251,423.40

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Solution

The fourth proportional to 7,689,409.12, 10,610,960.70 and 4,251,423.40 is: 5,866,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,409.12 : 10,610,960.70 = 4,251,423.40 : x
  2. Step 2: Convert to fraction form
    7,689,409.12/10,610,960.70 = 4,251,423.40/x
  3. Step 3: Cross multiply
    7,689,409.12x = 10,610,960.70 × 4,251,423.40
  4. Step 4: Simplify right side
    7,689,409.12x = 45,111,686,616,460.38
  5. Step 5: Solve for x
    x = 45,111,686,616,460.38/7,689,409.12
  6. Step 6: Final answer
    x = 5,866,729.93

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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.