Home / 10,894,638.40-16,312,466.40-8,535,342.40

Finding the Fourth Proportional to 10,894,638.40, 16,312,466.40 and 8,535,342.40

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Solution

The fourth proportional to 10,894,638.40, 16,312,466.40 and 8,535,342.40 is: 12,779,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,638.40 : 16,312,466.40 = 8,535,342.40 : x
  2. Step 2: Convert to fraction form
    10,894,638.40/16,312,466.40 = 8,535,342.40/x
  3. Step 3: Cross multiply
    10,894,638.40x = 16,312,466.40 × 8,535,342.40
  4. Step 4: Simplify right side
    10,894,638.40x = 139,232,486,112,495.38
  5. Step 5: Solve for x
    x = 139,232,486,112,495.38/10,894,638.40
  6. Step 6: Final answer
    x = 12,779,908.89

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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.