Home / 15,327,744.57-21,152,798.30-8,358,803.51

Finding the Fourth Proportional to 15,327,744.57, 21,152,798.30 and 8,358,803.51

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Solution

The fourth proportional to 15,327,744.57, 21,152,798.30 and 8,358,803.51 is: 11,535,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,744.57 : 21,152,798.30 = 8,358,803.51 : x
  2. Step 2: Convert to fraction form
    15,327,744.57/21,152,798.30 = 8,358,803.51/x
  3. Step 3: Cross multiply
    15,327,744.57x = 21,152,798.30 × 8,358,803.51
  4. Step 4: Simplify right side
    15,327,744.57x = 176,812,084,528,804.03
  5. Step 5: Solve for x
    x = 176,812,084,528,804.03/15,327,744.57
  6. Step 6: Final answer
    x = 11,535,427.39

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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.