Home / 10,456,051.51-15,690,215.92-4,390,316.80

Finding the Fourth Proportional to 10,456,051.51, 15,690,215.92 and 4,390,316.80

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Solution

The fourth proportional to 10,456,051.51, 15,690,215.92 and 4,390,316.80 is: 6,588,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,051.51 : 15,690,215.92 = 4,390,316.80 : x
  2. Step 2: Convert to fraction form
    10,456,051.51/15,690,215.92 = 4,390,316.80/x
  3. Step 3: Cross multiply
    10,456,051.51x = 15,690,215.92 × 4,390,316.80
  4. Step 4: Simplify right side
    10,456,051.51x = 68,885,018,549,203.45
  5. Step 5: Solve for x
    x = 68,885,018,549,203.45/10,456,051.51
  6. Step 6: Final answer
    x = 6,588,052.72

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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.