Home / 28,177,731.51-42,237,100.41-11,792,404.40

Finding the Fourth Proportional to 28,177,731.51, 42,237,100.41 and 11,792,404.40

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Solution

The fourth proportional to 28,177,731.51, 42,237,100.41 and 11,792,404.40 is: 17,676,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,731.51 : 42,237,100.41 = 11,792,404.40 : x
  2. Step 2: Convert to fraction form
    28,177,731.51/42,237,100.41 = 11,792,404.40/x
  3. Step 3: Cross multiply
    28,177,731.51x = 42,237,100.41 × 11,792,404.40
  4. Step 4: Simplify right side
    28,177,731.51x = 498,076,968,506,940.25
  5. Step 5: Solve for x
    x = 498,076,968,506,940.25/28,177,731.51
  6. Step 6: Final answer
    x = 17,676,262.13

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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.