Home / 12,771,369.60-19,157,054.40-12,141,513.60

Finding the Fourth Proportional to 12,771,369.60, 19,157,054.40 and 12,141,513.60

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Solution

The fourth proportional to 12,771,369.60, 19,157,054.40 and 12,141,513.60 is: 18,212,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,369.60 : 19,157,054.40 = 12,141,513.60 : x
  2. Step 2: Convert to fraction form
    12,771,369.60/19,157,054.40 = 12,141,513.60/x
  3. Step 3: Cross multiply
    12,771,369.60x = 19,157,054.40 × 12,141,513.60
  4. Step 4: Simplify right side
    12,771,369.60x = 232,595,636,533,539.81
  5. Step 5: Solve for x
    x = 232,595,636,533,539.81/12,771,369.60
  6. Step 6: Final answer
    x = 18,212,270.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.