Home / 13,409,314.66-18,506,804.16-7,529,608.90

Finding the Fourth Proportional to 13,409,314.66, 18,506,804.16 and 7,529,608.90

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Solution

The fourth proportional to 13,409,314.66, 18,506,804.16 and 7,529,608.90 is: 10,391,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,314.66 : 18,506,804.16 = 7,529,608.90 : x
  2. Step 2: Convert to fraction form
    13,409,314.66/18,506,804.16 = 7,529,608.90/x
  3. Step 3: Cross multiply
    13,409,314.66x = 18,506,804.16 × 7,529,608.90
  4. Step 4: Simplify right side
    13,409,314.66x = 139,348,997,313,693.03
  5. Step 5: Solve for x
    x = 139,348,997,313,693.03/13,409,314.66
  6. Step 6: Final answer
    x = 10,391,955.21

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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.