Finding the Fourth Proportional to 26,298,779.12, 36,293,089.80 and 14,696,369.84
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Solution
The fourth proportional to 26,298,779.12, 36,293,089.80 and 14,696,369.84 is: 20,281,423.25
Step by Step Solution
- Step 1: Write the proportion equation
26,298,779.12 : 36,293,089.80 = 14,696,369.84 : x - Step 2: Convert to fraction form
26,298,779.12/36,293,089.80 = 14,696,369.84/x - Step 3: Cross multiply
26,298,779.12x = 36,293,089.80 × 14,696,369.84 - Step 4: Simplify right side
26,298,779.12x = 533,376,670,337,131.56 - Step 5: Solve for x
x = 533,376,670,337,131.56/26,298,779.12 - Step 6: Final answer
x = 20,281,423.25
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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.