Home / 15,292,916.37-21,093,480-10,064,258.64

Finding the Fourth Proportional to 15,292,916.37, 21,093,480 and 10,064,258.64

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Solution

The fourth proportional to 15,292,916.37, 21,093,480 and 10,064,258.64 is: 13,881,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292,916.37 : 21,093,480 = 10,064,258.64 : x
  2. Step 2: Convert to fraction form
    15,292,916.37/21,093,480 = 10,064,258.64/x
  3. Step 3: Cross multiply
    15,292,916.37x = 21,093,480 × 10,064,258.64
  4. Step 4: Simplify right side
    15,292,916.37x = 212,290,238,337,667.22
  5. Step 5: Solve for x
    x = 212,290,238,337,667.22/15,292,916.37
  6. Step 6: Final answer
    x = 13,881,605.91

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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.