Home / 13,604,852.66-18,774,715.86-7,409,923.65

Finding the Fourth Proportional to 13,604,852.66, 18,774,715.86 and 7,409,923.65

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Solution

The fourth proportional to 13,604,852.66, 18,774,715.86 and 7,409,923.65 is: 10,225,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,852.66 : 18,774,715.86 = 7,409,923.65 : x
  2. Step 2: Convert to fraction form
    13,604,852.66/18,774,715.86 = 7,409,923.65/x
  3. Step 3: Cross multiply
    13,604,852.66x = 18,774,715.86 × 7,409,923.65
  4. Step 4: Simplify right side
    13,604,852.66x = 139,119,211,073,044.09
  5. Step 5: Solve for x
    x = 139,119,211,073,044.09/13,604,852.66
  6. Step 6: Final answer
    x = 10,225,705.09

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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.