Home / 14,161,554.36-21,262,205.16-7,249,970.28

Finding the Fourth Proportional to 14,161,554.36, 21,262,205.16 and 7,249,970.28

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Solution

The fourth proportional to 14,161,554.36, 21,262,205.16 and 7,249,970.28 is: 10,885,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161,554.36 : 21,262,205.16 = 7,249,970.28 : x
  2. Step 2: Convert to fraction form
    14,161,554.36/21,262,205.16 = 7,249,970.28/x
  3. Step 3: Cross multiply
    14,161,554.36x = 21,262,205.16 × 7,249,970.28
  4. Step 4: Simplify right side
    14,161,554.36x = 154,150,355,497,262.66
  5. Step 5: Solve for x
    x = 154,150,355,497,262.66/14,161,554.36
  6. Step 6: Final answer
    x = 10,885,129.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.