Home / 31,098,558.13-42,931,547.45-19,341,616.12

Finding the Fourth Proportional to 31,098,558.13, 42,931,547.45 and 19,341,616.12

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Solution

The fourth proportional to 31,098,558.13, 42,931,547.45 and 19,341,616.12 is: 26,701,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098,558.13 : 42,931,547.45 = 19,341,616.12 : x
  2. Step 2: Convert to fraction form
    31,098,558.13/42,931,547.45 = 19,341,616.12/x
  3. Step 3: Cross multiply
    31,098,558.13x = 42,931,547.45 × 19,341,616.12
  4. Step 4: Simplify right side
    31,098,558.13x = 830,365,510,118,756.88
  5. Step 5: Solve for x
    x = 830,365,510,118,756.88/31,098,558.13
  6. Step 6: Final answer
    x = 26,701,093.56

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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.