Home / 20,533,759.84-30,830,918.88-11,453,598.40

Finding the Fourth Proportional to 20,533,759.84, 30,830,918.88 and 11,453,598.40

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Solution

The fourth proportional to 20,533,759.84, 30,830,918.88 and 11,453,598.40 is: 17,197,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,759.84 : 30,830,918.88 = 11,453,598.40 : x
  2. Step 2: Convert to fraction form
    20,533,759.84/30,830,918.88 = 11,453,598.40/x
  3. Step 3: Cross multiply
    20,533,759.84x = 30,830,918.88 × 11,453,598.40
  4. Step 4: Simplify right side
    20,533,759.84x = 353,124,963,154,497.81
  5. Step 5: Solve for x
    x = 353,124,963,154,497.81/20,533,759.84
  6. Step 6: Final answer
    x = 17,197,287.10

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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.