Home / 15,335,888.16-21,163,594.13-8,366,544.51

Finding the Fourth Proportional to 15,335,888.16, 21,163,594.13 and 8,366,544.51

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Solution

The fourth proportional to 15,335,888.16, 21,163,594.13 and 8,366,544.51 is: 11,545,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335,888.16 : 21,163,594.13 = 8,366,544.51 : x
  2. Step 2: Convert to fraction form
    15,335,888.16/21,163,594.13 = 8,366,544.51/x
  3. Step 3: Cross multiply
    15,335,888.16x = 21,163,594.13 × 8,366,544.51
  4. Step 4: Simplify right side
    15,335,888.16x = 177,066,152,280,219.72
  5. Step 5: Solve for x
    x = 177,066,152,280,219.72/15,335,888.16
  6. Step 6: Final answer
    x = 11,545,868.78

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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.