Home / 18,880,913.01-26,053,329.18-11,908,957.14

Finding the Fourth Proportional to 18,880,913.01, 26,053,329.18 and 11,908,957.14

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Solution

The fourth proportional to 18,880,913.01, 26,053,329.18 and 11,908,957.14 is: 16,432,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,913.01 : 26,053,329.18 = 11,908,957.14 : x
  2. Step 2: Convert to fraction form
    18,880,913.01/26,053,329.18 = 11,908,957.14/x
  3. Step 3: Cross multiply
    18,880,913.01x = 26,053,329.18 × 11,908,957.14
  4. Step 4: Simplify right side
    18,880,913.01x = 310,267,980,558,931.38
  5. Step 5: Solve for x
    x = 310,267,980,558,931.38/18,880,913.01
  6. Step 6: Final answer
    x = 16,432,890.74

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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.