Home / 19,398,681.47-29,098,709.58-4,825,676.82

Finding the Fourth Proportional to 19,398,681.47, 29,098,709.58 and 4,825,676.82

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Solution

The fourth proportional to 19,398,681.47, 29,098,709.58 and 4,825,676.82 is: 7,238,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398,681.47 : 29,098,709.58 = 4,825,676.82 : x
  2. Step 2: Convert to fraction form
    19,398,681.47/29,098,709.58 = 4,825,676.82/x
  3. Step 3: Cross multiply
    19,398,681.47x = 29,098,709.58 × 4,825,676.82
  4. Step 4: Simplify right side
    19,398,681.47x = 140,420,968,312,117.94
  5. Step 5: Solve for x
    x = 140,420,968,312,117.94/19,398,681.47
  6. Step 6: Final answer
    x = 7,238,686.23

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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.