Home / 14,346,606.40-19,798,059.30-7,820,291.68

Finding the Fourth Proportional to 14,346,606.40, 19,798,059.30 and 7,820,291.68

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Solution

The fourth proportional to 14,346,606.40, 19,798,059.30 and 7,820,291.68 is: 10,791,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,606.40 : 19,798,059.30 = 7,820,291.68 : x
  2. Step 2: Convert to fraction form
    14,346,606.40/19,798,059.30 = 7,820,291.68/x
  3. Step 3: Cross multiply
    14,346,606.40x = 19,798,059.30 × 7,820,291.68
  4. Step 4: Simplify right side
    14,346,606.40x = 154,826,598,423,936.62
  5. Step 5: Solve for x
    x = 154,826,598,423,936.62/14,346,606.40
  6. Step 6: Final answer
    x = 10,791,862.14

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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.