Home / 9,249,946.82-12,764,950.91-5,120,262.74

Finding the Fourth Proportional to 9,249,946.82, 12,764,950.91 and 5,120,262.74

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Solution

The fourth proportional to 9,249,946.82, 12,764,950.91 and 5,120,262.74 is: 7,065,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249,946.82 : 12,764,950.91 = 5,120,262.74 : x
  2. Step 2: Convert to fraction form
    9,249,946.82/12,764,950.91 = 5,120,262.74/x
  3. Step 3: Cross multiply
    9,249,946.82x = 12,764,950.91 × 5,120,262.74
  4. Step 4: Simplify right side
    9,249,946.82x = 65,359,902,547,914.13
  5. Step 5: Solve for x
    x = 65,359,902,547,914.13/9,249,946.82
  6. Step 6: Final answer
    x = 7,065,976.04

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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.