Home / 14,395,545.51-19,865,854.29-7,869,201.56

Finding the Fourth Proportional to 14,395,545.51, 19,865,854.29 and 7,869,201.56

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Solution

The fourth proportional to 14,395,545.51, 19,865,854.29 and 7,869,201.56 is: 10,859,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395,545.51 : 19,865,854.29 = 7,869,201.56 : x
  2. Step 2: Convert to fraction form
    14,395,545.51/19,865,854.29 = 7,869,201.56/x
  3. Step 3: Cross multiply
    14,395,545.51x = 19,865,854.29 × 7,869,201.56
  4. Step 4: Simplify right side
    14,395,545.51x = 156,328,411,574,277.88
  5. Step 5: Solve for x
    x = 156,328,411,574,277.88/14,395,545.51
  6. Step 6: Final answer
    x = 10,859,498.97

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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.