Home / 30,766,141.80-42,456,931.68-16,827,897.36

Finding the Fourth Proportional to 30,766,141.80, 42,456,931.68 and 16,827,897.36

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Solution

The fourth proportional to 30,766,141.80, 42,456,931.68 and 16,827,897.36 is: 23,222,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766,141.80 : 42,456,931.68 = 16,827,897.36 : x
  2. Step 2: Convert to fraction form
    30,766,141.80/42,456,931.68 = 16,827,897.36/x
  3. Step 3: Cross multiply
    30,766,141.80x = 42,456,931.68 × 16,827,897.36
  4. Step 4: Simplify right side
    30,766,141.80x = 714,460,888,531,572.38
  5. Step 5: Solve for x
    x = 714,460,888,531,572.38/30,766,141.80
  6. Step 6: Final answer
    x = 23,222,310.20

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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.