Home / 30,590,674.92-45,869,240.61-12,127,916.43

Finding the Fourth Proportional to 30,590,674.92, 45,869,240.61 and 12,127,916.43

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Solution

The fourth proportional to 30,590,674.92, 45,869,240.61 and 12,127,916.43 is: 18,185,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590,674.92 : 45,869,240.61 = 12,127,916.43 : x
  2. Step 2: Convert to fraction form
    30,590,674.92/45,869,240.61 = 12,127,916.43/x
  3. Step 3: Cross multiply
    30,590,674.92x = 45,869,240.61 × 12,127,916.43
  4. Step 4: Simplify right side
    30,590,674.92x = 556,298,316,825,642.19
  5. Step 5: Solve for x
    x = 556,298,316,825,642.19/30,590,674.92
  6. Step 6: Final answer
    x = 18,185,225.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.