Home / 21,879,269.16-30,195,113.32-12,460,457.66

Finding the Fourth Proportional to 21,879,269.16, 30,195,113.32 and 12,460,457.66

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Solution

The fourth proportional to 21,879,269.16, 30,195,113.32 and 12,460,457.66 is: 17,196,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879,269.16 : 30,195,113.32 = 12,460,457.66 : x
  2. Step 2: Convert to fraction form
    21,879,269.16/30,195,113.32 = 12,460,457.66/x
  3. Step 3: Cross multiply
    21,879,269.16x = 30,195,113.32 × 12,460,457.66
  4. Step 4: Simplify right side
    21,879,269.16x = 376,244,931,062,762.06
  5. Step 5: Solve for x
    x = 376,244,931,062,762.06/21,879,269.16
  6. Step 6: Final answer
    x = 17,196,412.20

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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.