Home / 28,613,006.40-42,927,112.80-12,432,014.40

Finding the Fourth Proportional to 28,613,006.40, 42,927,112.80 and 12,432,014.40

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Solution

The fourth proportional to 28,613,006.40, 42,927,112.80 and 12,432,014.40 is: 18,651,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,613,006.40 : 42,927,112.80 = 12,432,014.40 : x
  2. Step 2: Convert to fraction form
    28,613,006.40/42,927,112.80 = 12,432,014.40/x
  3. Step 3: Cross multiply
    28,613,006.40x = 42,927,112.80 × 12,432,014.40
  4. Step 4: Simplify right side
    28,613,006.40x = 533,670,484,480,024.31
  5. Step 5: Solve for x
    x = 533,670,484,480,024.31/28,613,006.40
  6. Step 6: Final answer
    x = 18,651,325.10

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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.