Home / 28,267,587.47-42,364,722.50-12,693,916.58

Finding the Fourth Proportional to 28,267,587.47, 42,364,722.50 and 12,693,916.58

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Solution

The fourth proportional to 28,267,587.47, 42,364,722.50 and 12,693,916.58 is: 19,024,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,587.47 : 42,364,722.50 = 12,693,916.58 : x
  2. Step 2: Convert to fraction form
    28,267,587.47/42,364,722.50 = 12,693,916.58/x
  3. Step 3: Cross multiply
    28,267,587.47x = 42,364,722.50 × 12,693,916.58
  4. Step 4: Simplify right side
    28,267,587.47x = 537,774,253,074,555.81
  5. Step 5: Solve for x
    x = 537,774,253,074,555.81/28,267,587.47
  6. Step 6: Final answer
    x = 19,024,412.81

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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.