Home / 12,860,216.51-19,367,308.44-11,712,303.95

Finding the Fourth Proportional to 12,860,216.51, 19,367,308.44 and 11,712,303.95

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Solution

The fourth proportional to 12,860,216.51, 19,367,308.44 and 11,712,303.95 is: 17,638,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,216.51 : 19,367,308.44 = 11,712,303.95 : x
  2. Step 2: Convert to fraction form
    12,860,216.51/19,367,308.44 = 11,712,303.95/x
  3. Step 3: Cross multiply
    12,860,216.51x = 19,367,308.44 × 11,712,303.95
  4. Step 4: Simplify right side
    12,860,216.51x = 226,835,803,045,843.81
  5. Step 5: Solve for x
    x = 226,835,803,045,843.81/12,860,216.51
  6. Step 6: Final answer
    x = 17,638,567.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.