Home / 7,785,806.40-11,675,210.40-2,991,902.40

Finding the Fourth Proportional to 7,785,806.40, 11,675,210.40 and 2,991,902.40

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Solution

The fourth proportional to 7,785,806.40, 11,675,210.40 and 2,991,902.40 is: 4,486,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,806.40 : 11,675,210.40 = 2,991,902.40 : x
  2. Step 2: Convert to fraction form
    7,785,806.40/11,675,210.40 = 2,991,902.40/x
  3. Step 3: Cross multiply
    7,785,806.40x = 11,675,210.40 × 2,991,902.40
  4. Step 4: Simplify right side
    7,785,806.40x = 34,931,090,016,264.96
  5. Step 5: Solve for x
    x = 34,931,090,016,264.96/7,785,806.40
  6. Step 6: Final answer
    x = 4,486,508.94

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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.