Home / 8,458,518.54-12,690,510.28-3,912,549.40

Finding the Fourth Proportional to 8,458,518.54, 12,690,510.28 and 3,912,549.40

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Solution

The fourth proportional to 8,458,518.54, 12,690,510.28 and 3,912,549.40 is: 5,870,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,518.54 : 12,690,510.28 = 3,912,549.40 : x
  2. Step 2: Convert to fraction form
    8,458,518.54/12,690,510.28 = 3,912,549.40/x
  3. Step 3: Cross multiply
    8,458,518.54x = 12,690,510.28 × 3,912,549.40
  4. Step 4: Simplify right side
    8,458,518.54x = 49,652,248,298,692.54
  5. Step 5: Solve for x
    x = 49,652,248,298,692.54/8,458,518.54
  6. Step 6: Final answer
    x = 5,870,088.01

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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.