Home / 15,658,981.47-23,479,036.65-7,021,518.39

Finding the Fourth Proportional to 15,658,981.47, 23,479,036.65 and 7,021,518.39

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Solution

The fourth proportional to 15,658,981.47, 23,479,036.65 and 7,021,518.39 is: 10,528,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658,981.47 : 23,479,036.65 = 7,021,518.39 : x
  2. Step 2: Convert to fraction form
    15,658,981.47/23,479,036.65 = 7,021,518.39/x
  3. Step 3: Cross multiply
    15,658,981.47x = 23,479,036.65 × 7,021,518.39
  4. Step 4: Simplify right side
    15,658,981.47x = 164,858,487,617,458.97
  5. Step 5: Solve for x
    x = 164,858,487,617,458.97/15,658,981.47
  6. Step 6: Final answer
    x = 10,528,046.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.