Home / 28,559,579.46-39,412,904.40-15,507,388.50

Finding the Fourth Proportional to 28,559,579.46, 39,412,904.40 and 15,507,388.50

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Solution

The fourth proportional to 28,559,579.46, 39,412,904.40 and 15,507,388.50 is: 21,400,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,579.46 : 39,412,904.40 = 15,507,388.50 : x
  2. Step 2: Convert to fraction form
    28,559,579.46/39,412,904.40 = 15,507,388.50/x
  3. Step 3: Cross multiply
    28,559,579.46x = 39,412,904.40 × 15,507,388.50
  4. Step 4: Simplify right side
    28,559,579.46x = 611,191,220,444,159.38
  5. Step 5: Solve for x
    x = 611,191,220,444,159.38/28,559,579.46
  6. Step 6: Final answer
    x = 21,400,567.94

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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.