Home / 56,011,345.22-83,969,096.16-21,492,518.78

Finding the Fourth Proportional to 56,011,345.22, 83,969,096.16 and 21,492,518.78

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Solution

The fourth proportional to 56,011,345.22, 83,969,096.16 and 21,492,518.78 is: 32,220,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011,345.22 : 83,969,096.16 = 21,492,518.78 : x
  2. Step 2: Convert to fraction form
    56,011,345.22/83,969,096.16 = 21,492,518.78/x
  3. Step 3: Cross multiply
    56,011,345.22x = 83,969,096.16 × 21,492,518.78
  4. Step 4: Simplify right side
    56,011,345.22x = 1,804,707,376,158,426
  5. Step 5: Solve for x
    x = 1,804,707,376,158,426/56,011,345.22
  6. Step 6: Final answer
    x = 32,220,389.80

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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.