Home / 11,470,368.78-15,830,620.50-6,886,985.40

Finding the Fourth Proportional to 11,470,368.78, 15,830,620.50 and 6,886,985.40

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Solution

The fourth proportional to 11,470,368.78, 15,830,620.50 and 6,886,985.40 is: 9,504,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470,368.78 : 15,830,620.50 = 6,886,985.40 : x
  2. Step 2: Convert to fraction form
    11,470,368.78/15,830,620.50 = 6,886,985.40/x
  3. Step 3: Cross multiply
    11,470,368.78x = 15,830,620.50 × 6,886,985.40
  4. Step 4: Simplify right side
    11,470,368.78x = 109,025,252,256,440.70
  5. Step 5: Solve for x
    x = 109,025,252,256,440.70/11,470,368.78
  6. Step 6: Final answer
    x = 9,504,947.43

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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.