Home / 16,989,390-23,445,564.12-9,254,496.24

Finding the Fourth Proportional to 16,989,390, 23,445,564.12 and 9,254,496.24

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Solution

The fourth proportional to 16,989,390, 23,445,564.12 and 9,254,496.24 is: 12,771,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989,390 : 23,445,564.12 = 9,254,496.24 : x
  2. Step 2: Convert to fraction form
    16,989,390/23,445,564.12 = 9,254,496.24/x
  3. Step 3: Cross multiply
    16,989,390x = 23,445,564.12 × 9,254,496.24
  4. Step 4: Simplify right side
    16,989,390x = 216,976,884,993,218.94
  5. Step 5: Solve for x
    x = 216,976,884,993,218.94/16,989,390
  6. Step 6: Final answer
    x = 12,771,316.98

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1.5x scale

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.