Home / 31,891,908.58-47,834,829.51-12,717,536.74

Finding the Fourth Proportional to 31,891,908.58, 47,834,829.51 and 12,717,536.74

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Solution

The fourth proportional to 31,891,908.58, 47,834,829.51 and 12,717,536.74 is: 19,075,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891,908.58 : 47,834,829.51 = 12,717,536.74 : x
  2. Step 2: Convert to fraction form
    31,891,908.58/47,834,829.51 = 12,717,536.74/x
  3. Step 3: Cross multiply
    31,891,908.58x = 47,834,829.51 × 12,717,536.74
  4. Step 4: Simplify right side
    31,891,908.58x = 608,341,201,745,061.12
  5. Step 5: Solve for x
    x = 608,341,201,745,061.12/31,891,908.58
  6. Step 6: Final answer
    x = 19,075,095.50

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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.