Home / 21,004,281.40-31,506,422.10-5,047,929.40

Finding the Fourth Proportional to 21,004,281.40, 31,506,422.10 and 5,047,929.40

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Solution

The fourth proportional to 21,004,281.40, 31,506,422.10 and 5,047,929.40 is: 7,571,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,281.40 : 31,506,422.10 = 5,047,929.40 : x
  2. Step 2: Convert to fraction form
    21,004,281.40/31,506,422.10 = 5,047,929.40/x
  3. Step 3: Cross multiply
    21,004,281.40x = 31,506,422.10 × 5,047,929.40
  4. Step 4: Simplify right side
    21,004,281.40x = 159,042,194,407,399.75
  5. Step 5: Solve for x
    x = 159,042,194,407,399.75/21,004,281.40
  6. Step 6: Final answer
    x = 7,571,894.10

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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.