Home / 15,537,851,008.05-21,441,354,010.23-8,763,264,677.37

Finding the Fourth Proportional to 15,537,851,008.05, 21,441,354,010.23 and 8,763,264,677.37

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Solution

The fourth proportional to 15,537,851,008.05, 21,441,354,010.23 and 8,763,264,677.37 is: 12,092,808,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537,851,008.05 : 21,441,354,010.23 = 8,763,264,677.37 : x
  2. Step 2: Convert to fraction form
    15,537,851,008.05/21,441,354,010.23 = 8,763,264,677.37/x
  3. Step 3: Cross multiply
    15,537,851,008.05x = 21,441,354,010.23 × 8,763,264,677.37
  4. Step 4: Simplify right side
    15,537,851,008.05x = 187,896,260,232,834,154,496
  5. Step 5: Solve for x
    x = 187,896,260,232,834,154,496/15,537,851,008.05
  6. Step 6: Final answer
    x = 12,092,808,724.67

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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.