Finding the Fourth Proportional to 19,497,879.81, 29,235,885.93 and 13,356,800.01
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Solution
The fourth proportional to 19,497,879.81, 29,235,885.93 and 13,356,800.01 is: 20,027,709.95
Step by Step Solution
- Step 1: Write the proportion equation
19,497,879.81 : 29,235,885.93 = 13,356,800.01 : x - Step 2: Convert to fraction form
19,497,879.81/29,235,885.93 = 13,356,800.01/x - Step 3: Cross multiply
19,497,879.81x = 29,235,885.93 × 13,356,800.01 - Step 4: Simplify right side
19,497,879.81x = 390,497,881,482,182.88 - Step 5: Solve for x
x = 390,497,881,482,182.88/19,497,879.81 - Step 6: Final answer
x = 20,027,709.95
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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.