Home / 17,076,012.80-25,614,019.20-6,985,875.20

Finding the Fourth Proportional to 17,076,012.80, 25,614,019.20 and 6,985,875.20

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Solution

The fourth proportional to 17,076,012.80, 25,614,019.20 and 6,985,875.20 is: 10,478,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076,012.80 : 25,614,019.20 = 6,985,875.20 : x
  2. Step 2: Convert to fraction form
    17,076,012.80/25,614,019.20 = 6,985,875.20/x
  3. Step 3: Cross multiply
    17,076,012.80x = 25,614,019.20 × 6,985,875.20
  4. Step 4: Simplify right side
    17,076,012.80x = 178,936,341,501,603.84
  5. Step 5: Solve for x
    x = 178,936,341,501,603.84/17,076,012.80
  6. Step 6: Final answer
    x = 10,478,812.80

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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.