Home / 15,558,756.14-21,470,520.02-8,589,284.23

Finding the Fourth Proportional to 15,558,756.14, 21,470,520.02 and 8,589,284.23

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Solution

The fourth proportional to 15,558,756.14, 21,470,520.02 and 8,589,284.23 is: 11,852,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,756.14 : 21,470,520.02 = 8,589,284.23 : x
  2. Step 2: Convert to fraction form
    15,558,756.14/21,470,520.02 = 8,589,284.23/x
  3. Step 3: Cross multiply
    15,558,756.14x = 21,470,520.02 × 8,589,284.23
  4. Step 4: Simplify right side
    15,558,756.14x = 184,416,398,961,319.78
  5. Step 5: Solve for x
    x = 184,416,398,961,319.78/15,558,756.14
  6. Step 6: Final answer
    x = 11,852,901.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.