Home / 8,748,045.90-13,122,068.85-4,921,670.70

Finding the Fourth Proportional to 8,748,045.90, 13,122,068.85 and 4,921,670.70

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Solution

The fourth proportional to 8,748,045.90, 13,122,068.85 and 4,921,670.70 is: 7,382,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,045.90 : 13,122,068.85 = 4,921,670.70 : x
  2. Step 2: Convert to fraction form
    8,748,045.90/13,122,068.85 = 4,921,670.70/x
  3. Step 3: Cross multiply
    8,748,045.90x = 13,122,068.85 × 4,921,670.70
  4. Step 4: Simplify right side
    8,748,045.90x = 64,582,501,782,427.70
  5. Step 5: Solve for x
    x = 64,582,501,782,427.70/8,748,045.90
  6. Step 6: Final answer
    x = 7,382,506.05

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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.