Home / 10,368,005.80-15,552,008.70-9,780,140.20

Finding the Fourth Proportional to 10,368,005.80, 15,552,008.70 and 9,780,140.20

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Solution

The fourth proportional to 10,368,005.80, 15,552,008.70 and 9,780,140.20 is: 14,670,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,005.80 : 15,552,008.70 = 9,780,140.20 : x
  2. Step 2: Convert to fraction form
    10,368,005.80/15,552,008.70 = 9,780,140.20/x
  3. Step 3: Cross multiply
    10,368,005.80x = 15,552,008.70 × 9,780,140.20
  4. Step 4: Simplify right side
    10,368,005.80x = 152,100,825,477,619.72
  5. Step 5: Solve for x
    x = 152,100,825,477,619.72/10,368,005.80
  6. Step 6: Final answer
    x = 14,670,210.30

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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.