Home / 15,685,870.46-21,642,954.59-9,490,763.10

Finding the Fourth Proportional to 15,685,870.46, 21,642,954.59 and 9,490,763.10

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Solution

The fourth proportional to 15,685,870.46, 21,642,954.59 and 9,490,763.10 is: 13,095,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685,870.46 : 21,642,954.59 = 9,490,763.10 : x
  2. Step 2: Convert to fraction form
    15,685,870.46/21,642,954.59 = 9,490,763.10/x
  3. Step 3: Cross multiply
    15,685,870.46x = 21,642,954.59 × 9,490,763.10
  4. Step 4: Simplify right side
    15,685,870.46x = 205,408,154,750,293.81
  5. Step 5: Solve for x
    x = 205,408,154,750,293.81/15,685,870.46
  6. Step 6: Final answer
    x = 13,095,107.18

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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.