Home / 12,670,705.32-19,005,066.50-3,572,435.40

Finding the Fourth Proportional to 12,670,705.32, 19,005,066.50 and 3,572,435.40

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Solution

The fourth proportional to 12,670,705.32, 19,005,066.50 and 3,572,435.40 is: 5,358,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,705.32 : 19,005,066.50 = 3,572,435.40 : x
  2. Step 2: Convert to fraction form
    12,670,705.32/19,005,066.50 = 3,572,435.40/x
  3. Step 3: Cross multiply
    12,670,705.32x = 19,005,066.50 × 3,572,435.40
  4. Step 4: Simplify right side
    12,670,705.32x = 67,894,372,343,954.10
  5. Step 5: Solve for x
    x = 67,894,372,343,954.10/12,670,705.32
  6. Step 6: Final answer
    x = 5,358,373.56

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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.