Home / 18,697,688.64-25,615,714.05-17,998,483.68

Finding the Fourth Proportional to 18,697,688.64, 25,615,714.05 and 17,998,483.68

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Solution

The fourth proportional to 18,697,688.64, 25,615,714.05 and 17,998,483.68 is: 24,657,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697,688.64 : 25,615,714.05 = 17,998,483.68 : x
  2. Step 2: Convert to fraction form
    18,697,688.64/25,615,714.05 = 17,998,483.68/x
  3. Step 3: Cross multiply
    18,697,688.64x = 25,615,714.05 × 17,998,483.68
  4. Step 4: Simplify right side
    18,697,688.64x = 461,044,011,280,471.69
  5. Step 5: Solve for x
    x = 461,044,011,280,471.69/18,697,688.64
  6. Step 6: Final answer
    x = 24,657,807.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.