Home / 19,830,587.55-29,736,307.20-8,312,961.22

Finding the Fourth Proportional to 19,830,587.55, 29,736,307.20 and 8,312,961.22

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Solution

The fourth proportional to 19,830,587.55, 29,736,307.20 and 8,312,961.22 is: 12,465,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830,587.55 : 29,736,307.20 = 8,312,961.22 : x
  2. Step 2: Convert to fraction form
    19,830,587.55/29,736,307.20 = 8,312,961.22/x
  3. Step 3: Cross multiply
    19,830,587.55x = 29,736,307.20 × 8,312,961.22
  4. Step 4: Simplify right side
    19,830,587.55x = 247,196,768,579,606.78
  5. Step 5: Solve for x
    x = 247,196,768,579,606.78/19,830,587.55
  6. Step 6: Final answer
    x = 12,465,428.37

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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.