Home / 28,572,016.02-39,429,701.63-16,813,883.89

Finding the Fourth Proportional to 28,572,016.02, 39,429,701.63 and 16,813,883.89

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Solution

The fourth proportional to 28,572,016.02, 39,429,701.63 and 16,813,883.89 is: 23,203,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,016.02 : 39,429,701.63 = 16,813,883.89 : x
  2. Step 2: Convert to fraction form
    28,572,016.02/39,429,701.63 = 16,813,883.89/x
  3. Step 3: Cross multiply
    28,572,016.02x = 39,429,701.63 × 16,813,883.89
  4. Step 4: Simplify right side
    28,572,016.02x = 662,966,425,024,163.75
  5. Step 5: Solve for x
    x = 662,966,425,024,163.75/28,572,016.02
  6. Step 6: Final answer
    x = 23,203,347.80

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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.