Home / 19,487,189.20-26,892,378.48-10,785,966.16

Finding the Fourth Proportional to 19,487,189.20, 26,892,378.48 and 10,785,966.16

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Solution

The fourth proportional to 19,487,189.20, 26,892,378.48 and 10,785,966.16 is: 14,884,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,189.20 : 26,892,378.48 = 10,785,966.16 : x
  2. Step 2: Convert to fraction form
    19,487,189.20/26,892,378.48 = 10,785,966.16/x
  3. Step 3: Cross multiply
    19,487,189.20x = 26,892,378.48 × 10,785,966.16
  4. Step 4: Simplify right side
    19,487,189.20x = 290,060,284,247,192.25
  5. Step 5: Solve for x
    x = 290,060,284,247,192.25/19,487,189.20
  6. Step 6: Final answer
    x = 14,884,665.06

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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.