Home / 15,776,819.34-21,771,568.98-8,901,941.10

Finding the Fourth Proportional to 15,776,819.34, 21,771,568.98 and 8,901,941.10

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Solution

The fourth proportional to 15,776,819.34, 21,771,568.98 and 8,901,941.10 is: 12,284,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,819.34 : 21,771,568.98 = 8,901,941.10 : x
  2. Step 2: Convert to fraction form
    15,776,819.34/21,771,568.98 = 8,901,941.10/x
  3. Step 3: Cross multiply
    15,776,819.34x = 21,771,568.98 × 8,901,941.10
  4. Step 4: Simplify right side
    15,776,819.34x = 193,809,224,714,547.06
  5. Step 5: Solve for x
    x = 193,809,224,714,547.06/15,776,819.34
  6. Step 6: Final answer
    x = 12,284,429.49

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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.