Home / 21,257,971,751.40-31,886,957,627.10-8,832,172,583.40

Finding the Fourth Proportional to 21,257,971,751.40, 31,886,957,627.10 and 8,832,172,583.40

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Solution

The fourth proportional to 21,257,971,751.40, 31,886,957,627.10 and 8,832,172,583.40 is: 13,248,258,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,971,751.40 : 31,886,957,627.10 = 8,832,172,583.40 : x
  2. Step 2: Convert to fraction form
    21,257,971,751.40/31,886,957,627.10 = 8,832,172,583.40/x
  3. Step 3: Cross multiply
    21,257,971,751.40x = 31,886,957,627.10 × 8,832,172,583.40
  4. Step 4: Simplify right side
    21,257,971,751.40x = 281,631,112,922,110,099,456
  5. Step 5: Solve for x
    x = 281,631,112,922,110,099,456/21,257,971,751.40
  6. Step 6: Final answer
    x = 13,248,258,875.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.