Home / 47,291,207.10-70,936,810.65-13,212,498.30

Finding the Fourth Proportional to 47,291,207.10, 70,936,810.65 and 13,212,498.30

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Solution

The fourth proportional to 47,291,207.10, 70,936,810.65 and 13,212,498.30 is: 19,818,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,207.10 : 70,936,810.65 = 13,212,498.30 : x
  2. Step 2: Convert to fraction form
    47,291,207.10/70,936,810.65 = 13,212,498.30/x
  3. Step 3: Cross multiply
    47,291,207.10x = 70,936,810.65 × 13,212,498.30
  4. Step 4: Simplify right side
    47,291,207.10x = 937,252,490,120,547
  5. Step 5: Solve for x
    x = 937,252,490,120,547/47,291,207.10
  6. Step 6: Final answer
    x = 19,818,747.45

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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.