Home / 19,254,805.40-28,875,209.70-9,666,997.40

Finding the Fourth Proportional to 19,254,805.40, 28,875,209.70 and 9,666,997.40

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Solution

The fourth proportional to 19,254,805.40, 28,875,209.70 and 9,666,997.40 is: 14,496,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,805.40 : 28,875,209.70 = 9,666,997.40 : x
  2. Step 2: Convert to fraction form
    19,254,805.40/28,875,209.70 = 9,666,997.40/x
  3. Step 3: Cross multiply
    19,254,805.40x = 28,875,209.70 × 9,666,997.40
  4. Step 4: Simplify right side
    19,254,805.40x = 279,136,577,094,354.78
  5. Step 5: Solve for x
    x = 279,136,577,094,354.78/19,254,805.40
  6. Step 6: Final answer
    x = 14,496,982.51

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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.