Home / 13,376,087.65-18,460,139.40-7,575,901.21

Finding the Fourth Proportional to 13,376,087.65, 18,460,139.40 and 7,575,901.21

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Solution

The fourth proportional to 13,376,087.65, 18,460,139.40 and 7,575,901.21 is: 10,455,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,087.65 : 18,460,139.40 = 7,575,901.21 : x
  2. Step 2: Convert to fraction form
    13,376,087.65/18,460,139.40 = 7,575,901.21/x
  3. Step 3: Cross multiply
    13,376,087.65x = 18,460,139.40 × 7,575,901.21
  4. Step 4: Simplify right side
    13,376,087.65x = 139,852,192,417,228.66
  5. Step 5: Solve for x
    x = 139,852,192,417,228.66/13,376,087.65
  6. Step 6: Final answer
    x = 10,455,388.46

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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.