Finding the Fourth Proportional to 35,430,437.80, 53,145,656.70 and 11,495,909.80
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Solution
The fourth proportional to 35,430,437.80, 53,145,656.70 and 11,495,909.80 is: 17,243,864.70
Step by Step Solution
- Step 1: Write the proportion equation
35,430,437.80 : 53,145,656.70 = 11,495,909.80 : x - Step 2: Convert to fraction form
35,430,437.80/53,145,656.70 = 11,495,909.80/x - Step 3: Cross multiply
35,430,437.80x = 53,145,656.70 × 11,495,909.80 - Step 4: Simplify right side
35,430,437.80x = 610,957,675,684,965.75 - Step 5: Solve for x
x = 610,957,675,684,965.75/35,430,437.80 - Step 6: Final answer
x = 17,243,864.70
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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.