Home / 21,186,000.30-31,779,000.45-16,403,031.30

Finding the Fourth Proportional to 21,186,000.30, 31,779,000.45 and 16,403,031.30

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Solution

The fourth proportional to 21,186,000.30, 31,779,000.45 and 16,403,031.30 is: 24,604,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,000.30 : 31,779,000.45 = 16,403,031.30 : x
  2. Step 2: Convert to fraction form
    21,186,000.30/31,779,000.45 = 16,403,031.30/x
  3. Step 3: Cross multiply
    21,186,000.30x = 31,779,000.45 × 16,403,031.30
  4. Step 4: Simplify right side
    21,186,000.30x = 521,271,939,064,064.12
  5. Step 5: Solve for x
    x = 521,271,939,064,064.12/21,186,000.30
  6. Step 6: Final answer
    x = 24,604,546.95

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1.5x scale

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.