Home / 10,500,000.30-15,750,000.45-9,782,554.95

Finding the Fourth Proportional to 10,500,000.30, 15,750,000.45 and 9,782,554.95

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Solution

The fourth proportional to 10,500,000.30, 15,750,000.45 and 9,782,554.95 is: 14,673,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,000.30 : 15,750,000.45 = 9,782,554.95 : x
  2. Step 2: Convert to fraction form
    10,500,000.30/15,750,000.45 = 9,782,554.95/x
  3. Step 3: Cross multiply
    10,500,000.30x = 15,750,000.45 × 9,782,554.95
  4. Step 4: Simplify right side
    10,500,000.30x = 154,075,244,864,649.72
  5. Step 5: Solve for x
    x = 154,075,244,864,649.72/10,500,000.30
  6. Step 6: Final answer
    x = 14,673,832.43

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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.