Home / 21,948,457.04-30,288,866.72-12,159,537.40

Finding the Fourth Proportional to 21,948,457.04, 30,288,866.72 and 12,159,537.40

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Solution

The fourth proportional to 21,948,457.04, 30,288,866.72 and 12,159,537.40 is: 16,780,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,457.04 : 30,288,866.72 = 12,159,537.40 : x
  2. Step 2: Convert to fraction form
    21,948,457.04/30,288,866.72 = 12,159,537.40/x
  3. Step 3: Cross multiply
    21,948,457.04x = 30,288,866.72 × 12,159,537.40
  4. Step 4: Simplify right side
    21,948,457.04x = 368,298,607,685,455.31
  5. Step 5: Solve for x
    x = 368,298,607,685,455.31/21,948,457.04
  6. Step 6: Final answer
    x = 16,780,159.40

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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.