Home / 19,586,328.55-27,000,646.50-13,687,649.22

Finding the Fourth Proportional to 19,586,328.55, 27,000,646.50 and 13,687,649.22

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Solution

The fourth proportional to 19,586,328.55, 27,000,646.50 and 13,687,649.22 is: 18,869,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,328.55 : 27,000,646.50 = 13,687,649.22 : x
  2. Step 2: Convert to fraction form
    19,586,328.55/27,000,646.50 = 13,687,649.22/x
  3. Step 3: Cross multiply
    19,586,328.55x = 27,000,646.50 × 13,687,649.22
  4. Step 4: Simplify right side
    19,586,328.55x = 369,575,378,005,220.75
  5. Step 5: Solve for x
    x = 369,575,378,005,220.75/19,586,328.55
  6. Step 6: Final answer
    x = 18,869,048.23

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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.