Home / 15,028,623,885.03-20,746,562,015.54-8,683,764,400.66

Finding the Fourth Proportional to 15,028,623,885.03, 20,746,562,015.54 and 8,683,764,400.66

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Solution

The fourth proportional to 15,028,623,885.03, 20,746,562,015.54 and 8,683,764,400.66 is: 11,987,674,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,623,885.03 : 20,746,562,015.54 = 8,683,764,400.66 : x
  2. Step 2: Convert to fraction form
    15,028,623,885.03/20,746,562,015.54 = 8,683,764,400.66/x
  3. Step 3: Cross multiply
    15,028,623,885.03x = 20,746,562,015.54 × 8,683,764,400.66
  4. Step 4: Simplify right side
    15,028,623,885.03x = 180,158,256,666,586,120,192
  5. Step 5: Solve for x
    x = 180,158,256,666,586,120,192/15,028,623,885.03
  6. Step 6: Final answer
    x = 11,987,674,855.98

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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.