Finding the Fourth Proportional to 55,509,646.12, 83,312,298.84 and 38,482,276.48
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Solution
The fourth proportional to 55,509,646.12, 83,312,298.84 and 38,482,276.48 is: 57,756,572.82
Step by Step Solution
- Step 1: Write the proportion equation
55,509,646.12 : 83,312,298.84 = 38,482,276.48 : x - Step 2: Convert to fraction form
55,509,646.12/83,312,298.84 = 38,482,276.48/x - Step 3: Cross multiply
55,509,646.12x = 83,312,298.84 × 38,482,276.48 - Step 4: Simplify right side
55,509,646.12x = 3,206,046,918,145,263 - Step 5: Solve for x
x = 3,206,046,918,145,263/55,509,646.12 - Step 6: Final answer
x = 57,756,572.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.