Home / 14,415,418.37-19,893,011.40-7,888,916.92

Finding the Fourth Proportional to 14,415,418.37, 19,893,011.40 and 7,888,916.92

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Solution

The fourth proportional to 14,415,418.37, 19,893,011.40 and 7,888,916.92 is: 10,886,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415,418.37 : 19,893,011.40 = 7,888,916.92 : x
  2. Step 2: Convert to fraction form
    14,415,418.37/19,893,011.40 = 7,888,916.92/x
  3. Step 3: Cross multiply
    14,415,418.37x = 19,893,011.40 × 7,888,916.92
  4. Step 4: Simplify right side
    14,415,418.37x = 156,934,314,223,212.88
  5. Step 5: Solve for x
    x = 156,934,314,223,212.88/14,415,418.37
  6. Step 6: Final answer
    x = 10,886,559.81

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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.