Home / 10,430,011.80-15,645,017.70-2,856,965.40

Finding the Fourth Proportional to 10,430,011.80, 15,645,017.70 and 2,856,965.40

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Solution

The fourth proportional to 10,430,011.80, 15,645,017.70 and 2,856,965.40 is: 4,285,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,011.80 : 15,645,017.70 = 2,856,965.40 : x
  2. Step 2: Convert to fraction form
    10,430,011.80/15,645,017.70 = 2,856,965.40/x
  3. Step 3: Cross multiply
    10,430,011.80x = 15,645,017.70 × 2,856,965.40
  4. Step 4: Simplify right side
    10,430,011.80x = 44,697,274,251,287.58
  5. Step 5: Solve for x
    x = 44,697,274,251,287.58/10,430,011.80
  6. Step 6: Final answer
    x = 4,285,448.10

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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.