Home / 15,870,420,876.50-21,901,184,384.44-8,733,834,688.57

Finding the Fourth Proportional to 15,870,420,876.50, 21,901,184,384.44 and 8,733,834,688.57

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Solution

The fourth proportional to 15,870,420,876.50, 21,901,184,384.44 and 8,733,834,688.57 is: 12,052,693,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,420,876.50 : 21,901,184,384.44 = 8,733,834,688.57 : x
  2. Step 2: Convert to fraction form
    15,870,420,876.50/21,901,184,384.44 = 8,733,834,688.57/x
  3. Step 3: Cross multiply
    15,870,420,876.50x = 21,901,184,384.44 × 8,733,834,688.57
  4. Step 4: Simplify right side
    15,870,420,876.50x = 191,281,323,897,517,441,024
  5. Step 5: Solve for x
    x = 191,281,323,897,517,441,024/15,870,420,876.50
  6. Step 6: Final answer
    x = 12,052,693,837.55

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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.