Home / 22,702,742.19-31,329,775.98-12,389,465.28

Finding the Fourth Proportional to 22,702,742.19, 31,329,775.98 and 12,389,465.28

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Solution

The fourth proportional to 22,702,742.19, 31,329,775.98 and 12,389,465.28 is: 17,097,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702,742.19 : 31,329,775.98 = 12,389,465.28 : x
  2. Step 2: Convert to fraction form
    22,702,742.19/31,329,775.98 = 12,389,465.28/x
  3. Step 3: Cross multiply
    22,702,742.19x = 31,329,775.98 × 12,389,465.28
  4. Step 4: Simplify right side
    22,702,742.19x = 388,159,171,773,550.19
  5. Step 5: Solve for x
    x = 388,159,171,773,550.19/22,702,742.19
  6. Step 6: Final answer
    x = 17,097,457.59

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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.