Home / 10,444,467.30-15,666,700.95-8,176,985.70

Finding the Fourth Proportional to 10,444,467.30, 15,666,700.95 and 8,176,985.70

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Solution

The fourth proportional to 10,444,467.30, 15,666,700.95 and 8,176,985.70 is: 12,265,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444,467.30 : 15,666,700.95 = 8,176,985.70 : x
  2. Step 2: Convert to fraction form
    10,444,467.30/15,666,700.95 = 8,176,985.70/x
  3. Step 3: Cross multiply
    10,444,467.30x = 15,666,700.95 × 8,176,985.70
  4. Step 4: Simplify right side
    10,444,467.30x = 128,106,389,634,326.41
  5. Step 5: Solve for x
    x = 128,106,389,634,326.41/10,444,467.30
  6. Step 6: Final answer
    x = 12,265,478.55

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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.