Home / 30,574,774.95-42,191,924.40-16,636,187.43

Finding the Fourth Proportional to 30,574,774.95, 42,191,924.40 and 16,636,187.43

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Solution

The fourth proportional to 30,574,774.95, 42,191,924.40 and 16,636,187.43 is: 22,957,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574,774.95 : 42,191,924.40 = 16,636,187.43 : x
  2. Step 2: Convert to fraction form
    30,574,774.95/42,191,924.40 = 16,636,187.43/x
  3. Step 3: Cross multiply
    30,574,774.95x = 42,191,924.40 × 16,636,187.43
  4. Step 4: Simplify right side
    30,574,774.95x = 701,912,762,350,790.25
  5. Step 5: Solve for x
    x = 701,912,762,350,790.25/30,574,774.95
  6. Step 6: Final answer
    x = 22,957,250.33

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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.