Home / 14,815,038.51-20,445,547.16-8,288,278.63

Finding the Fourth Proportional to 14,815,038.51, 20,445,547.16 and 8,288,278.63

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Solution

The fourth proportional to 14,815,038.51, 20,445,547.16 and 8,288,278.63 is: 11,438,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815,038.51 : 20,445,547.16 = 8,288,278.63 : x
  2. Step 2: Convert to fraction form
    14,815,038.51/20,445,547.16 = 8,288,278.63/x
  3. Step 3: Cross multiply
    14,815,038.51x = 20,445,547.16 × 8,288,278.63
  4. Step 4: Simplify right side
    14,815,038.51x = 169,458,391,574,492.03
  5. Step 5: Solve for x
    x = 169,458,391,574,492.03/14,815,038.51
  6. Step 6: Final answer
    x = 11,438,268.72

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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.