Home / 12,588,014,953.07-18,872,713,796.57-7,612,630,695.15

Finding the Fourth Proportional to 12,588,014,953.07, 18,872,713,796.57 and 7,612,630,695.15

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Solution

The fourth proportional to 12,588,014,953.07, 18,872,713,796.57 and 7,612,630,695.15 is: 11,413,316,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,014,953.07 : 18,872,713,796.57 = 7,612,630,695.15 : x
  2. Step 2: Convert to fraction form
    12,588,014,953.07/18,872,713,796.57 = 7,612,630,695.15/x
  3. Step 3: Cross multiply
    12,588,014,953.07x = 18,872,713,796.57 × 7,612,630,695.15
  4. Step 4: Simplify right side
    12,588,014,953.07x = 143,671,000,348,549,660,672
  5. Step 5: Solve for x
    x = 143,671,000,348,549,660,672/12,588,014,953.07
  6. Step 6: Final answer
    x = 11,413,316,625.71

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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.