Home / 12,771,849.40-19,163,022.90-4,688,697.40

Finding the Fourth Proportional to 12,771,849.40, 19,163,022.90 and 4,688,697.40

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Solution

The fourth proportional to 12,771,849.40, 19,163,022.90 and 4,688,697.40 is: 7,034,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,849.40 : 19,163,022.90 = 4,688,697.40 : x
  2. Step 2: Convert to fraction form
    12,771,849.40/19,163,022.90 = 4,688,697.40/x
  3. Step 3: Cross multiply
    12,771,849.40x = 19,163,022.90 × 4,688,697.40
  4. Step 4: Simplify right side
    12,771,849.40x = 89,849,615,647,370.45
  5. Step 5: Solve for x
    x = 89,849,615,647,370.45/12,771,849.40
  6. Step 6: Final answer
    x = 7,034,973.00

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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.