Home / 12,730,011.12-17,567,795.54-7,838,055.41

Finding the Fourth Proportional to 12,730,011.12, 17,567,795.54 and 7,838,055.41

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Solution

The fourth proportional to 12,730,011.12, 17,567,795.54 and 7,838,055.41 is: 10,816,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,011.12 : 17,567,795.54 = 7,838,055.41 : x
  2. Step 2: Convert to fraction form
    12,730,011.12/17,567,795.54 = 7,838,055.41/x
  3. Step 3: Cross multiply
    12,730,011.12x = 17,567,795.54 × 7,838,055.41
  4. Step 4: Simplify right side
    12,730,011.12x = 137,697,354,747,041.62
  5. Step 5: Solve for x
    x = 137,697,354,747,041.62/12,730,011.12
  6. Step 6: Final answer
    x = 10,816,750.55

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1.5x scale

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.