Home / 30,510,513.07-42,104,817.02-16,572,140.33

Finding the Fourth Proportional to 30,510,513.07, 42,104,817.02 and 16,572,140.33

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Solution

The fourth proportional to 30,510,513.07, 42,104,817.02 and 16,572,140.33 is: 22,869,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510,513.07 : 42,104,817.02 = 16,572,140.33 : x
  2. Step 2: Convert to fraction form
    30,510,513.07/42,104,817.02 = 16,572,140.33/x
  3. Step 3: Cross multiply
    30,510,513.07x = 42,104,817.02 × 16,572,140.33
  4. Step 4: Simplify right side
    30,510,513.07x = 697,766,936,055,318.62
  5. Step 5: Solve for x
    x = 697,766,936,055,318.62/30,510,513.07
  6. Step 6: Final answer
    x = 22,869,721.48

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1.5x scale

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.