Home / 42,596,705.80-63,895,058.70-12,307,630.60

Finding the Fourth Proportional to 42,596,705.80, 63,895,058.70 and 12,307,630.60

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Solution

The fourth proportional to 42,596,705.80, 63,895,058.70 and 12,307,630.60 is: 18,461,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,596,705.80 : 63,895,058.70 = 12,307,630.60 : x
  2. Step 2: Convert to fraction form
    42,596,705.80/63,895,058.70 = 12,307,630.60/x
  3. Step 3: Cross multiply
    42,596,705.80x = 63,895,058.70 × 12,307,630.60
  4. Step 4: Simplify right side
    42,596,705.80x = 786,396,779,644,916.25
  5. Step 5: Solve for x
    x = 786,396,779,644,916.25/42,596,705.80
  6. Step 6: Final answer
    x = 18,461,445.90

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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.