Finding the Fourth Proportional to 10,742,387.36, 16,107,691.36 and 4,258,894.64
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Solution
The fourth proportional to 10,742,387.36, 16,107,691.36 and 4,258,894.64 is: 6,386,006.96
Step by Step Solution
- Step 1: Write the proportion equation
10,742,387.36 : 16,107,691.36 = 4,258,894.64 : x - Step 2: Convert to fraction form
10,742,387.36/16,107,691.36 = 4,258,894.64/x - Step 3: Cross multiply
10,742,387.36x = 16,107,691.36 × 4,258,894.64 - Step 4: Simplify right side
10,742,387.36x = 68,600,960,395,878.30 - Step 5: Solve for x
x = 68,600,960,395,878.30/10,742,387.36 - Step 6: Final answer
x = 6,386,006.96
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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.