Home / 13,868,772.48-19,137,866.76-7,756,020

Finding the Fourth Proportional to 13,868,772.48, 19,137,866.76 and 7,756,020

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Solution

The fourth proportional to 13,868,772.48, 19,137,866.76 and 7,756,020 is: 10,702,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,772.48 : 19,137,866.76 = 7,756,020 : x
  2. Step 2: Convert to fraction form
    13,868,772.48/19,137,866.76 = 7,756,020/x
  3. Step 3: Cross multiply
    13,868,772.48x = 19,137,866.76 × 7,756,020
  4. Step 4: Simplify right side
    13,868,772.48x = 148,433,677,347,895.22
  5. Step 5: Solve for x
    x = 148,433,677,347,895.22/13,868,772.48
  6. Step 6: Final answer
    x = 10,702,726.40

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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.