Home / 28,489,875.06-39,316,164.48-15,437,130.54

Finding the Fourth Proportional to 28,489,875.06, 39,316,164.48 and 15,437,130.54

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Solution

The fourth proportional to 28,489,875.06, 39,316,164.48 and 15,437,130.54 is: 21,303,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,875.06 : 39,316,164.48 = 15,437,130.54 : x
  2. Step 2: Convert to fraction form
    28,489,875.06/39,316,164.48 = 15,437,130.54/x
  3. Step 3: Cross multiply
    28,489,875.06x = 39,316,164.48 × 15,437,130.54
  4. Step 4: Simplify right side
    28,489,875.06x = 606,928,763,409,871.12
  5. Step 5: Solve for x
    x = 606,928,763,409,871.12/28,489,875.06
  6. Step 6: Final answer
    x = 21,303,314.32

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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.