Home / 13,656,446.61-18,845,916.59-7,776,085.59

Finding the Fourth Proportional to 13,656,446.61, 18,845,916.59 and 7,776,085.59

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Solution

The fourth proportional to 13,656,446.61, 18,845,916.59 and 7,776,085.59 is: 10,731,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,446.61 : 18,845,916.59 = 7,776,085.59 : x
  2. Step 2: Convert to fraction form
    13,656,446.61/18,845,916.59 = 7,776,085.59/x
  3. Step 3: Cross multiply
    13,656,446.61x = 18,845,916.59 × 7,776,085.59
  4. Step 4: Simplify right side
    13,656,446.61x = 146,547,460,425,840.94
  5. Step 5: Solve for x
    x = 146,547,460,425,840.94/13,656,446.61
  6. Step 6: Final answer
    x = 10,731,009.65

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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.