Finding the Fourth Proportional to 7,451,347.86, 11,169,064.35 and 4,249,579.86
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Solution
The fourth proportional to 7,451,347.86, 11,169,064.35 and 4,249,579.86 is: 6,369,831.58
Step by Step Solution
- Step 1: Write the proportion equation
7,451,347.86 : 11,169,064.35 = 4,249,579.86 : x - Step 2: Convert to fraction form
7,451,347.86/11,169,064.35 = 4,249,579.86/x - Step 3: Cross multiply
7,451,347.86x = 11,169,064.35 × 4,249,579.86 - Step 4: Simplify right side
7,451,347.86x = 47,463,830,916,803.99 - Step 5: Solve for x
x = 47,463,830,916,803.99/7,451,347.86 - Step 6: Final answer
x = 6,369,831.58
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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.