Home / 21,429,676.77-29,575,407.23-12,013,011.10

Finding the Fourth Proportional to 21,429,676.77, 29,575,407.23 and 12,013,011.10

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Solution

The fourth proportional to 21,429,676.77, 29,575,407.23 and 12,013,011.10 is: 16,579,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,676.77 : 29,575,407.23 = 12,013,011.10 : x
  2. Step 2: Convert to fraction form
    21,429,676.77/29,575,407.23 = 12,013,011.10/x
  3. Step 3: Cross multiply
    21,429,676.77x = 29,575,407.23 × 12,013,011.10
  4. Step 4: Simplify right side
    21,429,676.77x = 355,289,695,363,534.62
  5. Step 5: Solve for x
    x = 355,289,695,363,534.62/21,429,676.77
  6. Step 6: Final answer
    x = 16,579,330.58

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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.