Finding the Fourth Proportional to 14,340,298.86, 19,767,203.55 and 9,748,648.62
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Solution
The fourth proportional to 14,340,298.86, 19,767,203.55 and 9,748,648.62 is: 13,437,901.36
Step by Step Solution
- Step 1: Write the proportion equation
14,340,298.86 : 19,767,203.55 = 9,748,648.62 : x - Step 2: Convert to fraction form
14,340,298.86/19,767,203.55 = 9,748,648.62/x - Step 3: Cross multiply
14,340,298.86x = 19,767,203.55 × 9,748,648.62 - Step 4: Simplify right side
14,340,298.86x = 192,703,521,608,966.59 - Step 5: Solve for x
x = 192,703,521,608,966.59/14,340,298.86 - Step 6: Final answer
x = 13,437,901.36
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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.