Home / 28,559,518.56-39,412,820.52-15,507,327.60

Finding the Fourth Proportional to 28,559,518.56, 39,412,820.52 and 15,507,327.60

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Solution

The fourth proportional to 28,559,518.56, 39,412,820.52 and 15,507,327.60 is: 21,400,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,518.56 : 39,412,820.52 = 15,507,327.60 : x
  2. Step 2: Convert to fraction form
    28,559,518.56/39,412,820.52 = 15,507,327.60/x
  3. Step 3: Cross multiply
    28,559,518.56x = 39,412,820.52 × 15,507,327.60
  4. Step 4: Simplify right side
    28,559,518.56x = 611,187,519,443,642.38
  5. Step 5: Solve for x
    x = 611,187,519,443,642.38/28,559,518.56
  6. Step 6: Final answer
    x = 21,400,483.98

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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.