Home / 12,354,574.40-18,529,096.80-8,124,430.40

Finding the Fourth Proportional to 12,354,574.40, 18,529,096.80 and 8,124,430.40

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Solution

The fourth proportional to 12,354,574.40, 18,529,096.80 and 8,124,430.40 is: 12,184,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,574.40 : 18,529,096.80 = 8,124,430.40 : x
  2. Step 2: Convert to fraction form
    12,354,574.40/18,529,096.80 = 8,124,430.40/x
  3. Step 3: Cross multiply
    12,354,574.40x = 18,529,096.80 × 8,124,430.40
  4. Step 4: Simplify right side
    12,354,574.40x = 150,538,357,326,462.72
  5. Step 5: Solve for x
    x = 150,538,357,326,462.72/12,354,574.40
  6. Step 6: Final answer
    x = 12,184,827.45

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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.