Home / 15,346,038.36-21,176,025.72-8,470,077.56

Finding the Fourth Proportional to 15,346,038.36, 21,176,025.72 and 8,470,077.56

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Solution

The fourth proportional to 15,346,038.36, 21,176,025.72 and 8,470,077.56 is: 11,687,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346,038.36 : 21,176,025.72 = 8,470,077.56 : x
  2. Step 2: Convert to fraction form
    15,346,038.36/21,176,025.72 = 8,470,077.56/x
  3. Step 3: Cross multiply
    15,346,038.36x = 21,176,025.72 × 8,470,077.56
  4. Step 4: Simplify right side
    15,346,038.36x = 179,362,580,202,722
  5. Step 5: Solve for x
    x = 179,362,580,202,722/15,346,038.36
  6. Step 6: Final answer
    x = 11,687,875.13

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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.