Home / 15,731,025,168.32-21,708,823,442.24-8,497,072,612.24

Finding the Fourth Proportional to 15,731,025,168.32, 21,708,823,442.24 and 8,497,072,612.24

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Solution

The fourth proportional to 15,731,025,168.32, 21,708,823,442.24 and 8,497,072,612.24 is: 11,725,964,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731,025,168.32 : 21,708,823,442.24 = 8,497,072,612.24 : x
  2. Step 2: Convert to fraction form
    15,731,025,168.32/21,708,823,442.24 = 8,497,072,612.24/x
  3. Step 3: Cross multiply
    15,731,025,168.32x = 21,708,823,442.24 × 8,497,072,612.24
  4. Step 4: Simplify right side
    15,731,025,168.32x = 184,461,449,115,011,186,688
  5. Step 5: Solve for x
    x = 184,461,449,115,011,186,688/15,731,025,168.32
  6. Step 6: Final answer
    x = 11,725,964,909.55

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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.