Home / 21,783,247,085.28-30,060,087,341.94-12,137,478,675.46

Finding the Fourth Proportional to 21,783,247,085.28, 30,060,087,341.94 and 12,137,478,675.46

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Solution

The fourth proportional to 21,783,247,085.28, 30,060,087,341.94 and 12,137,478,675.46 is: 16,749,278,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,247,085.28 : 30,060,087,341.94 = 12,137,478,675.46 : x
  2. Step 2: Convert to fraction form
    21,783,247,085.28/30,060,087,341.94 = 12,137,478,675.46/x
  3. Step 3: Cross multiply
    21,783,247,085.28x = 30,060,087,341.94 × 12,137,478,675.46
  4. Step 4: Simplify right side
    21,783,247,085.28x = 364,853,669,095,261,798,400
  5. Step 5: Solve for x
    x = 364,853,669,095,261,798,400/21,783,247,085.28
  6. Step 6: Final answer
    x = 16,749,278,363.64

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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.