Home / 13,604,869.76-18,776,044.80-10,161,130.88

Finding the Fourth Proportional to 13,604,869.76, 18,776,044.80 and 10,161,130.88

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Solution

The fourth proportional to 13,604,869.76, 18,776,044.80 and 10,161,130.88 is: 14,023,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,869.76 : 18,776,044.80 = 10,161,130.88 : x
  2. Step 2: Convert to fraction form
    13,604,869.76/18,776,044.80 = 10,161,130.88/x
  3. Step 3: Cross multiply
    13,604,869.76x = 18,776,044.80 × 10,161,130.88
  4. Step 4: Simplify right side
    13,604,869.76x = 190,785,848,621,543.44
  5. Step 5: Solve for x
    x = 190,785,848,621,543.44/13,604,869.76
  6. Step 6: Final answer
    x = 14,023,349.87

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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.