Finding the Fourth Proportional to 19,714,457.60, 29,513,625.60 and 14,688,051.20
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Solution
The fourth proportional to 19,714,457.60, 29,513,625.60 and 14,688,051.20 is: 21,988,819.21
Step by Step Solution
- Step 1: Write the proportion equation
19,714,457.60 : 29,513,625.60 = 14,688,051.20 : x - Step 2: Convert to fraction form
19,714,457.60/29,513,625.60 = 14,688,051.20/x - Step 3: Cross multiply
19,714,457.60x = 29,513,625.60 × 14,688,051.20 - Step 4: Simplify right side
19,714,457.60x = 433,497,643,910,430.75 - Step 5: Solve for x
x = 433,497,643,910,430.75/19,714,457.60 - Step 6: Final answer
x = 21,988,819.21
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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.