Home / 8,352,038.40-12,528,057.60-7,854,374.40

Finding the Fourth Proportional to 8,352,038.40, 12,528,057.60 and 7,854,374.40

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Solution

The fourth proportional to 8,352,038.40, 12,528,057.60 and 7,854,374.40 is: 11,781,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,038.40 : 12,528,057.60 = 7,854,374.40 : x
  2. Step 2: Convert to fraction form
    8,352,038.40/12,528,057.60 = 7,854,374.40/x
  3. Step 3: Cross multiply
    8,352,038.40x = 12,528,057.60 × 7,854,374.40
  4. Step 4: Simplify right side
    8,352,038.40x = 98,400,054,895,165.44
  5. Step 5: Solve for x
    x = 98,400,054,895,165.44/8,352,038.40
  6. Step 6: Final answer
    x = 11,781,561.60

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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.