Home / 14,255,109.92-19,688,289.24-9,663,459.68

Finding the Fourth Proportional to 14,255,109.92, 19,688,289.24 and 9,663,459.68

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Solution

The fourth proportional to 14,255,109.92, 19,688,289.24 and 9,663,459.68 is: 13,346,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,109.92 : 19,688,289.24 = 9,663,459.68 : x
  2. Step 2: Convert to fraction form
    14,255,109.92/19,688,289.24 = 9,663,459.68/x
  3. Step 3: Cross multiply
    14,255,109.92x = 19,688,289.24 × 9,663,459.68
  4. Step 4: Simplify right side
    14,255,109.92x = 190,256,989,238,917.81
  5. Step 5: Solve for x
    x = 190,256,989,238,917.81/14,255,109.92
  6. Step 6: Final answer
    x = 13,346,581.70

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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.