Home / 28,539,130.51-39,319,360.44-27,178,641.55

Finding the Fourth Proportional to 28,539,130.51, 39,319,360.44 and 27,178,641.55

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Solution

The fourth proportional to 28,539,130.51, 39,319,360.44 and 27,178,641.55 is: 37,444,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,130.51 : 39,319,360.44 = 27,178,641.55 : x
  2. Step 2: Convert to fraction form
    28,539,130.51/39,319,360.44 = 27,178,641.55/x
  3. Step 3: Cross multiply
    28,539,130.51x = 39,319,360.44 × 27,178,641.55
  4. Step 4: Simplify right side
    28,539,130.51x = 1,068,646,803,374,010.25
  5. Step 5: Solve for x
    x = 1,068,646,803,374,010.25/28,539,130.51
  6. Step 6: Final answer
    x = 37,444,967.11

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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.