Home / 15,718,395,852.64-21,701,175,613.68-10,005,903,479.52

Finding the Fourth Proportional to 15,718,395,852.64, 21,701,175,613.68 and 10,005,903,479.52

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Solution

The fourth proportional to 15,718,395,852.64, 21,701,175,613.68 and 10,005,903,479.52 is: 13,814,378,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,395,852.64 : 21,701,175,613.68 = 10,005,903,479.52 : x
  2. Step 2: Convert to fraction form
    15,718,395,852.64/21,701,175,613.68 = 10,005,903,479.52/x
  3. Step 3: Cross multiply
    15,718,395,852.64x = 21,701,175,613.68 × 10,005,903,479.52
  4. Step 4: Simplify right side
    15,718,395,852.64x = 217,139,868,582,595,297,280
  5. Step 5: Solve for x
    x = 217,139,868,582,595,297,280/15,718,395,852.64
  6. Step 6: Final answer
    x = 13,814,378,427.56

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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.