Home / 10,430,005.80-15,645,008.70-2,856,959.40

Finding the Fourth Proportional to 10,430,005.80, 15,645,008.70 and 2,856,959.40

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Solution

The fourth proportional to 10,430,005.80, 15,645,008.70 and 2,856,959.40 is: 4,285,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,005.80 : 15,645,008.70 = 2,856,959.40 : x
  2. Step 2: Convert to fraction form
    10,430,005.80/15,645,008.70 = 2,856,959.40/x
  3. Step 3: Cross multiply
    10,430,005.80x = 15,645,008.70 × 2,856,959.40
  4. Step 4: Simplify right side
    10,430,005.80x = 44,697,154,668,546.77
  5. Step 5: Solve for x
    x = 44,697,154,668,546.77/10,430,005.80
  6. Step 6: Final answer
    x = 4,285,439.10

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1.5x scale

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.