Home / 14,353,789.68-19,808,707.95-7,827,775.20

Finding the Fourth Proportional to 14,353,789.68, 19,808,707.95 and 7,827,775.20

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Solution

The fourth proportional to 14,353,789.68, 19,808,707.95 and 7,827,775.20 is: 10,802,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353,789.68 : 19,808,707.95 = 7,827,775.20 : x
  2. Step 2: Convert to fraction form
    14,353,789.68/19,808,707.95 = 7,827,775.20/x
  3. Step 3: Cross multiply
    14,353,789.68x = 19,808,707.95 × 7,827,775.20
  4. Step 4: Simplify right side
    14,353,789.68x = 155,058,112,835,052.84
  5. Step 5: Solve for x
    x = 155,058,112,835,052.84/14,353,789.68
  6. Step 6: Final answer
    x = 10,802,590.56

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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.