Home / 28,353,424.56-39,127,922.70-16,130,281.56

Finding the Fourth Proportional to 28,353,424.56, 39,127,922.70 and 16,130,281.56

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Solution

The fourth proportional to 28,353,424.56, 39,127,922.70 and 16,130,281.56 is: 22,259,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353,424.56 : 39,127,922.70 = 16,130,281.56 : x
  2. Step 2: Convert to fraction form
    28,353,424.56/39,127,922.70 = 16,130,281.56/x
  3. Step 3: Cross multiply
    28,353,424.56x = 39,127,922.70 × 16,130,281.56
  4. Step 4: Simplify right side
    28,353,424.56x = 631,144,410,008,915.50
  5. Step 5: Solve for x
    x = 631,144,410,008,915.50/28,353,424.56
  6. Step 6: Final answer
    x = 22,259,900.52

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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.