Home / 9,042,518.93-12,478,690.91-4,912,566.26

Finding the Fourth Proportional to 9,042,518.93, 12,478,690.91 and 4,912,566.26

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Solution

The fourth proportional to 9,042,518.93, 12,478,690.91 and 4,912,566.26 is: 6,779,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,518.93 : 12,478,690.91 = 4,912,566.26 : x
  2. Step 2: Convert to fraction form
    9,042,518.93/12,478,690.91 = 4,912,566.26/x
  3. Step 3: Cross multiply
    9,042,518.93x = 12,478,690.91 × 4,912,566.26
  4. Step 4: Simplify right side
    9,042,518.93x = 61,302,395,883,322.66
  5. Step 5: Solve for x
    x = 61,302,395,883,322.66/9,042,518.93
  6. Step 6: Final answer
    x = 6,779,349.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.