Home / 19,300,550-28,944,689.28-6,343,712.24

Finding the Fourth Proportional to 19,300,550, 28,944,689.28 and 6,343,712.24

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Solution

The fourth proportional to 19,300,550, 28,944,689.28 and 6,343,712.24 is: 9,513,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300,550 : 28,944,689.28 = 6,343,712.24 : x
  2. Step 2: Convert to fraction form
    19,300,550/28,944,689.28 = 6,343,712.24/x
  3. Step 3: Cross multiply
    19,300,550x = 28,944,689.28 × 6,343,712.24
  4. Step 4: Simplify right side
    19,300,550x = 183,616,779,668,532.81
  5. Step 5: Solve for x
    x = 183,616,779,668,532.81/19,300,550
  6. Step 6: Final answer
    x = 9,513,551.67

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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.