Home / 13,065,362.62-18,031,210.37-7,838,567.48

Finding the Fourth Proportional to 13,065,362.62, 18,031,210.37 and 7,838,567.48

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Solution

The fourth proportional to 13,065,362.62, 18,031,210.37 and 7,838,567.48 is: 10,817,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,362.62 : 18,031,210.37 = 7,838,567.48 : x
  2. Step 2: Convert to fraction form
    13,065,362.62/18,031,210.37 = 7,838,567.48/x
  3. Step 3: Cross multiply
    13,065,362.62x = 18,031,210.37 × 7,838,567.48
  4. Step 4: Simplify right side
    13,065,362.62x = 141,338,859,295,995.19
  5. Step 5: Solve for x
    x = 141,338,859,295,995.19/13,065,362.62
  6. Step 6: Final answer
    x = 10,817,829.05

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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.