Home / 15,200,702,346.45-20,976,968,783.55-8,426,503,760.14

Finding the Fourth Proportional to 15,200,702,346.45, 20,976,968,783.55 and 8,426,503,760.14

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Solution

The fourth proportional to 15,200,702,346.45, 20,976,968,783.55 and 8,426,503,760.14 is: 11,628,574,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,702,346.45 : 20,976,968,783.55 = 8,426,503,760.14 : x
  2. Step 2: Convert to fraction form
    15,200,702,346.45/20,976,968,783.55 = 8,426,503,760.14/x
  3. Step 3: Cross multiply
    15,200,702,346.45x = 20,976,968,783.55 × 8,426,503,760.14
  4. Step 4: Simplify right side
    15,200,702,346.45x = 176,762,506,330,923,466,752
  5. Step 5: Solve for x
    x = 176,762,506,330,923,466,752/15,200,702,346.45
  6. Step 6: Final answer
    x = 11,628,574,937.01

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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.