Home / 10,371,876.09-14,312,813.81-5,725,561.38

Finding the Fourth Proportional to 10,371,876.09, 14,312,813.81 and 5,725,561.38

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Solution

The fourth proportional to 10,371,876.09, 14,312,813.81 and 5,725,561.38 is: 7,901,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,876.09 : 14,312,813.81 = 5,725,561.38 : x
  2. Step 2: Convert to fraction form
    10,371,876.09/14,312,813.81 = 5,725,561.38/x
  3. Step 3: Cross multiply
    10,371,876.09x = 14,312,813.81 × 5,725,561.38
  4. Step 4: Simplify right side
    10,371,876.09x = 81,948,893,961,038.84
  5. Step 5: Solve for x
    x = 81,948,893,961,038.84/10,371,876.09
  6. Step 6: Final answer
    x = 7,901,067.58

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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.