Home / 15,621,946.94-21,558,145.02-8,746,543.82

Finding the Fourth Proportional to 15,621,946.94, 21,558,145.02 and 8,746,543.82

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Solution

The fourth proportional to 15,621,946.94, 21,558,145.02 and 8,746,543.82 is: 12,070,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,946.94 : 21,558,145.02 = 8,746,543.82 : x
  2. Step 2: Convert to fraction form
    15,621,946.94/21,558,145.02 = 8,746,543.82/x
  3. Step 3: Cross multiply
    15,621,946.94x = 21,558,145.02 × 8,746,543.82
  4. Step 4: Simplify right side
    15,621,946.94x = 188,559,260,095,344.78
  5. Step 5: Solve for x
    x = 188,559,260,095,344.78/15,621,946.94
  6. Step 6: Final answer
    x = 12,070,151.10

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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.