Home / 21,587,735-29,788,196.02-13,863,240.36

Finding the Fourth Proportional to 21,587,735, 29,788,196.02 and 13,863,240.36

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Solution

The fourth proportional to 21,587,735, 29,788,196.02 and 13,863,240.36 is: 19,129,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587,735 : 29,788,196.02 = 13,863,240.36 : x
  2. Step 2: Convert to fraction form
    21,587,735/29,788,196.02 = 13,863,240.36/x
  3. Step 3: Cross multiply
    21,587,735x = 29,788,196.02 × 13,863,240.36
  4. Step 4: Simplify right side
    21,587,735x = 412,960,921,316,055.31
  5. Step 5: Solve for x
    x = 412,960,921,316,055.31/21,587,735
  6. Step 6: Final answer
    x = 19,129,423.32

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1.5x scale

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.